220555204 has 24 divisors (see below), whose sum is σ = 401361408. Its totient is φ = 105933120.

The previous prime is 220555193. The next prime is 220555217. The reversal of 220555204 is 402555022.

It is a happy number.

220555204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220555204² = 97289196022963232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10497 + ... + 23479.

It is an arithmetic number, because the mean of its divisors is an integer number (16723392).

Almost surely, 2^220555204 is an apocalyptic number.

It is an amenable number.

220555204 is a deficient number, since it is larger than the sum of its proper divisors (180806204).

220555204 is a wasteful number, since it uses less digits than its factorization.

220555204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155 (or 13153 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 220555204 is about 14851.1011039586. The cubic root of 220555204 is about 604.1884745792.

The spelling of 220555204 in words is "two hundred twenty million, five hundred fifty-five thousand, two hundred four".