220031204 has 12 divisors (see below), whose sum is σ = 407705004. Its totient is φ = 103544064.

The previous prime is 220031177. The next prime is 220031213. The reversal of 220031204 is 402130022.

220031204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 193488100 + 26543104 = 13910^2 + 5152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617809 + ... + 1617944.

It is an arithmetic number, because the mean of its divisors is an integer number (33975417).

Almost surely, 2^220031204 is an apocalyptic number.

It is an amenable number.

220031204 is a deficient number, since it is larger than the sum of its proper divisors (187673800).

220031204 is a wasteful number, since it uses less digits than its factorization.

220031204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235774 (or 3235772 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220031204 is about 14833.4488235204. The cubic root of 220031204 is about 603.7096136399.

Adding to 220031204 its reverse (402130022), we get a palindrome (622161226).

The spelling of 220031204 in words is "two hundred twenty million, thirty-one thousand, two hundred four".