One thousand two hundred twenty
1220 is an even number.
1220 is a Harshad number, which means it is divisible by the sum of its digits (1 + 2 + 2 + 0 = 5, and 1220 is divisible by 5).
In binary, 1220 is represented as 10011000100.
In hex, 1220 is represented as 4c4.
Prime factorization of 1220: 22 * 5 * 61.
Factors of 1220 are: 1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220.