220590256 has 10 divisors (see below), whose sum is σ = 427393652. Its totient is φ = 110295120.

The previous prime is 220590239. The next prime is 220590277. The reversal of 220590256 is 652095022.

It is a super-2 number, since 2×220590256² = 97320122084291072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893430 + ... + 6893461.

Almost surely, 2^220590256 is an apocalyptic number.

It is an amenable number.

220590256 is a deficient number, since it is larger than the sum of its proper divisors (206803396).

220590256 is a wasteful number, since it uses less digits than its factorization.

220590256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13786899 (or 13786893 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 220590256 is about 14852.2811715911. The cubic root of 220590256 is about 604.2204800094.

The spelling of 220590256 in words is "two hundred twenty million, five hundred ninety thousand, two hundred fifty-six".