| Nominal | 20664 |
| Cardinal | twenty thousand six hundred sixty-four |
Cardinal twenty thousand six hundred sixty-four | |
| Ordinal | 20,664th |
| Number of digits | 5 |
| Sum of digits | 18 |
| Product of digits | 0 |
| Number parity | Even |
| Prime factorization | 2 x 2 x 2 x 3 x 3 x 7 x 41 |
| Prime factorization in exponent form | 23 x 32 x 7 x 41 |
| Prime factors | 2, 3, 7, 41 |
| Number of distinct prime factors ω(n) | 4 |
| Total number of prime factors Ω(n) | 7 |
| Sum of prime factors | 53 |
| Product of prime factors | 1722 |
| Is 20664 a prime number? | No |
| Is 20664 a semiprime number? | No |
| Is 20664 a Chen prime number? | No |
| Is 20664 a Mersenne prime number? | No |
| Is 20664 a Catalan number? | No |
| Is 20664 a Fibonacci number? | No |
| Is 20664 a Idoneal number? | No |
| Square of 20664 (n2) | 427000896 |
| Cube of 20664 (n3) | 8823546514944 |
| Square root of 20664 | 143.74978260853 |
| Natural Logarithm (ln) of 20664 | 9.9361483347757 |
| Decimal Logarithm (log) of 20664 | 4.3152143931653 |
| Sine of 20664 | -0.98484452904351 |
| Cosecant of 20664 | -1.0153886938593 |
| Cosine of 20664 | 0.17343948112547 |
| Secant of 20664 | 5.7656999058742 |
| Tangent of 20664 | -5.6783180084069 |
| Cotangent of 20664 | -0.17610848820363 |
| The spelling of 20664 in words is "twenty thousand six hundred sixty-four", meaning that: |
| 20664 is not an aban number (as it contains the letter a) |
| 20664 is not an eban number (as it contains the letter e) |
| 20664 is not an iban number (as it contains the letter i) |
| 20664 is not an oban number (as it contains the letter o) |
| 20664 is not a tban number (as it contains the letter t) |
| 20664 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২০৬৬৪ |
| Eastern Arabic numerals | ٢٠٬٦٦٤ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓍧𓎋𓏽 |
| Khmer numerals | ២០៦៦៤ |
| Japanese numerals | 二万六百六十四 |
| Roman numerals | n/a |
| Thai numerals | ๒๐๖๖๔ |
| Arabic | عشرون ألف و ستة مائة و أربعة و ستون |
| Croatian | dvadeset tisuća šeststo šezdeset i četiri |
| Czech | dvacet tisíc šest set šedesát čtyři |
| Danish | tyve tusinde seks hundrede fire og tres |
| Dutch | twintigduizend zeshonderdvierenzestig |
| Estonian | akpe blaeve alafa ade blaade vɔ ene |
| Faroese | tjúgo tusin og sekshundraðogsekstifýre |
| Filipino | dalawáng pû libó’t anim na daán at anim na pû’t ápat |
| Finnish | kaksikymmentätuhattakuusisataakuusikymmentäneljä |
| French | vingt mille six cent soixante-quatre |
| Greek | είκοσι χίλιάδες εξακόσια εξήντα τέσσερα |
| German | zwanzigtausendsechshundertvierundsechzig |
| Hebrew | עשרים אלף שש מאות שישים וארבע |
| Hindi | बीस हज़ार छह सौ चौंसठ |
| Hungarian | húszezerhatszázhatvannégy |
| Icelandic | tuttugu þúsund og sexhundrað og sextíu og fjórir |
| Indonesian | dua puluh ribu enam ratus enam puluh empat |
| Italian | ventimilaseicentosessantaquattro |
| Japanese | 二万六百六十四 |
| Korean | 이만 육백육십사 |
| Latvian | divdesmit tūkstoši sešsimt sešdesmit četri |
| Lithuanian | dvidešimt tūkstančių šeši šimtai šešiasdešimt keturi |
| Norwegian | tjue tusen seks hundre og sekstifire |
| Persian | بیست هزار و ششصد و شصت و چهار |
| Polish | dwadzieścia tysięcy sześćset sześćdziesiąt cztery |
| Portuguese | vinte mil seiscentos e sessenta e quatro |
| Romanian | douăzeci mii şase sute şasezeci şi patru |
| Russian | двадцать тысяч шестьсот шестьдесят четыре |
| Serbian | двадесет хиљада шестсто шездесет и четири |
| Slovak | dvadsať tisíc šesťsto šesťdesiatštyri |
| Slovene | dvaset tisuću šesto šestdeset štiri |
| Spanish | veinte mil seiscientos sesenta y cuatro |
| Swahili | elfu ishirini, mia sita na sitini na nne |
| Swedish | tjugotusensexhundrasextiofyra |
| Thai | สองหมื่นหกร้อยหกสิบสี่ |
| Turkish | yirmi bin altı yüz altmış dört |
| Ukrainian | двадцять тисяч шістсот шістдесят чотири |
| Vietnamese | hai mươi nghìn sáu trăm sáu mươi tư |
| Number 20664 reversed | 46602 | |
| Unicode Character | U+50B8 | 傸 |
| Unix Timestamp | Thu, 01 Jan 1970 05:44:24 +0000 | |