20 in words
British English
twenty
Twenty begins the compound numbers, which are hyphenated: twenty-one, twenty-two.
Quick reference
- In figures
- 20
- British English
- twenty
- American English
- The same (why they differ)
- Ordinal
- twentieth (20th)
- Roman numeral
- XX
- Place value
- 2 in the tens column
- Expanded form
- 20
- Standard form
- 2 × 10¹
- Even or odd
- Even
- Prime factors
- 2² × 5
Convert any other number, up to thirty-six digits.