220056404 has 12 divisors (see below), whose sum is σ = 405367200. Its totient is φ = 104237208.

The previous prime is 220056373. The next prime is 220056407. The reversal of 220056404 is 404650022.

It is a super-2 number, since 2×220056404² = 96849641882822432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220056404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220056407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1447664 + ... + 1447815.

It is an arithmetic number, because the mean of its divisors is an integer number (33780600).

Almost surely, 2^220056404 is an apocalyptic number.

It is an amenable number.

220056404 is a deficient number, since it is larger than the sum of its proper divisors (185310796).

220056404 is a wasteful number, since it uses less digits than its factorization.

220056404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895502 (or 2895500 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 220056404 is about 14834.2982307893. The cubic root of 220056404 is about 603.7326602218.

The spelling of 220056404 in words is "two hundred twenty million, fifty-six thousand, four hundred four".