20 in Roman Numerals

20 in Roman numerals is
XX
10 + 10 = 20
Open the full converter

The number 20 is written XX in Roman numerals. Reading left to right and adding the values gives 10 + 10 = 20. Roman numerals use seven letters: I (1), V (5), X (10), L (50), C (100), D (500) and M (1000). A smaller letter before a larger one means subtraction (IV = 4, IX = 9, XL = 40, XC = 90, CD = 400, CM = 900).

XX in names

  • Super Bowl XX, played on 26 January 1986. Wikidata

Popes, monarchs, films and Super Bowls whose name carries XX. Source: Wikidata, retrieved 11 October 2026.

Nearby & popular values

18 = XVIII19 = XIX21 = XXI22 = XXII
4 = IV9 = IX14 = XIV40 = XL49 = XLIX90 = XC99 = XCIX100 = C500 = D1000 = M1984 = MCMLXXXIV1990 = MCMXC1999 = MCMXCIX2000 = MM2024 = MMXXIV2025 = MMXXV2026 = MMXXVI3999 = MMMCMXCIX

Frequently asked

What is 20 in Roman numerals?

20 in Roman numerals is XX.

How is 20 written in Roman numerals?

20 is written XX, which breaks down as 10 + 10 = 20.

Is there a Roman numeral for zero?

No. The Roman system has no symbol for zero, which is one reason it was eventually replaced for calculation.