| Nominal | 20551 |
| Cardinal | twenty thousand five hundred fifty-one |
Cardinal twenty thousand five hundred fifty-one | |
| Ordinal | 20,551st |
| Number of digits | 5 |
| Sum of digits | 13 |
| Product of digits | 0 |
| Number parity | Odd |
| Prime factorization | 20551 |
| Prime factors | 20551 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 20551 |
| Product of prime factors | 20551 |
| Is 20551 a prime number? | Yes |
| Is 20551 a semiprime number? | No |
| Is 20551 a Chen prime number? | No |
| Is 20551 a Mersenne prime number? | No |
| Is 20551 a Catalan number? | No |
| Is 20551 a Fibonacci number? | No |
| Is 20551 a Idoneal number? | No |
| Square of 20551 (n2) | 422343601 |
| Cube of 20551 (n3) | 8679583344151 |
| Square root of 20551 | 143.35619972642 |
| Natural Logarithm (ln) of 20551 | 9.9306648805409 |
| Decimal Logarithm (log) of 20551 | 4.3128329592493 |
| Sine of 20551 | -0.96332772228507 |
| Cosecant of 20551 | -1.0380683300881 |
| Cosine of 20551 | 0.26832759730794 |
| Secant of 20551 | 3.726787740183 |
| Tangent of 20551 | -3.5901179451905 |
| Cotangent of 20551 | -0.27854238085399 |
| The spelling of 20551 in words is "twenty thousand five hundred fifty-one", meaning that: |
| 20551 is not an aban number (as it contains the letter a) |
| 20551 is not an eban number (as it contains the letter e) |
| 20551 is not an iban number (as it contains the letter i) |
| 20551 is not an oban number (as it contains the letter o) |
| 20551 is not a tban number (as it contains the letter t) |
| 20551 is not an uban number (as it contains the letter u) |
| Bengali numerals | ২০৫৫১ |
| Eastern Arabic numerals | ٢٠٬٥٥١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓍦𓎊𓏺 |
| Khmer numerals | ២០៥៥១ |
| Japanese numerals | 二万五百五十一 |
| Roman numerals | n/a |
| Thai numerals | ๒๐๕๕๑ |
| Arabic | عشرون ألف و خمسة مائة و واحد و خمسون |
| Croatian | dvadeset tisuća petsto pedeset i jedan |
| Czech | dvacet tisíc pět set padesát jeden |
| Danish | tyve tusinde fem hundrede en og halvtreds |
| Dutch | twintigduizend vijfhonderdéénenvijftig |
| Estonian | akpe blaeve alafa atɔ̃ blaatɔ̃ vɔ ɖekɛ |
| Faroese | tjúgo tusin og fimmhundraðogfimmtiein |
| Filipino | dalawáng pû libó’t limáng daán at limáng pû’t isá |
| Finnish | kaksikymmentätuhattaviisisataaviisikymmentäyksi |
| French | vingt mille cinq cent cinquante et un |
| Greek | είκοσι χίλιάδες πεντακόσια πενήντα ένα |
| German | zwanzigtausendfünfhunderteinundfünfzig |
| Hebrew | עשרים אלף חמש מאות חמישים ואחת |
| Hindi | बीस हज़ार पाँच सौ इक्यावन |
| Hungarian | húszezerötszázötvenegy |
| Icelandic | tuttugu þúsund og fimmhundrað og fimmtíu og einn |
| Indonesian | dua puluh ribu lima ratus lima puluh satu |
| Italian | ventimilacinquecentocinquantuno |
| Japanese | 二万五百五十一 |
| Korean | 이만 오백오십일 |
| Latvian | divdesmit tūkstoši piecsimt piecdesmit viens |
| Lithuanian | dvidešimt tūkstančių penki šimtai penkiasdešimt vienas |
| Norwegian | tjue tusen fem hundre og femtién |
| Persian | بیست هزار و پانصد و پنجاه و یک |
| Polish | dwadzieścia tysięcy pięćset pięćdziesiąt jeden |
| Portuguese | vinte mil quinhentos e cinquenta e um |
| Romanian | douăzeci mii cinci sute cincizeci şi unu |
| Russian | двадцать тысяч пятьсот пятьдесят один |
| Serbian | двадесет хиљада петсто педесет и један |
| Slovak | dvadsať tisíc päťsto päťdesiatjeden |
| Slovene | dvaset tisuću petsto petdeset ena |
| Spanish | veinte mil quinientos cincuenta y uno |
| Swahili | elfu ishirini, mia tano na hamsini na moja |
| Swedish | tjugotusenfemhundrafemtioen |
| Thai | สองหมื่นห้าร้อยห้าสิบเอ็ด |
| Turkish | yirmi bin beş yüz elli bir |
| Ukrainian | двадцять тисяч пʼятсот пʼятдесят один |
| Vietnamese | hai mươi nghìn năm trăm năm mươi mốt |
| Number 20551 reversed | 15502 | |
| Unicode Character | U+5047 | 假 |
| Unix Timestamp | Thu, 01 Jan 1970 05:42:31 +0000 | |