11 times 20 is 220. In symbols: 11 × 20 = 220, and 20 × 11 = 220 too.
11 × 20 means adding 11 to itself 20 times: that is 20 copies of 11, which add up to 220.
11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132, ... (keep going to the 20th multiple). The 20th multiple of 11 is 220.
11 × 20 = 11 × 20 = 220 = 220.
Halve one number and double the other: 11 × 20 = 10 × 22 = 220.
220 ÷ 11 = 20
220 ÷ 20 = 11
220 is even. Prime factorization: 2 × 2 × 5 × 11.
| Multiplication | Answer |
|---|---|
| 10 × 20 | 200 |
| 12 × 20 | 240 |
| 11 × 19 | 209 |
| 11 × 21 | 231 |
| 11 × 22 | 242 |
| 11 × 18 | 198 |
| 13 × 20 | 260 |
| 9 × 20 | 180 |
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.