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Cardinal | twenty | |||
Ordinal | 20th (twentieth) |
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Factorization | 22× 5 | |||
Divisors | 1, 2, 4, 5, 10, 20 | |||
Roman numeral | XX | |||
Binary | 101002 | |||
Ternary | 2023 | |||
Quaternary | 1104 | |||
Quinary | 405 | |||
Senary | 326 | |||
Octal | 248 | |||
Duodecimal | 1812 | |||
Hexadecimal | 1416 | |||
Vigesimal | 1020 | |||
Base 36 | K36 |
20 (twenty) is the natural number following 19 and preceding 21. A group of twenty units may also be referred to as a score.