204662156 has 12 divisors (see below), whose sum is σ = 360160920. Its totient is φ = 101759040.

The previous prime is 204662141. The next prime is 204662173. The reversal of 204662156 is 651266402.

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 in 3 ways as a sum of consecutive naturals, for example, 142205 + ... + 143636.

It is an arithmetic number, because the mean of its divisors is an integer number (30013410).

Almost surely, 2^204662156 is an apocalyptic number.

It is an amenable number.

204662156 is a deficient number, since it is larger than the sum of its proper divisors (155498764).

204662156 is a wasteful number, since it uses less digits than its factorization.

204662156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286024 (or 286022 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 204662156 is about 14306.0181741811. The cubic root of 204662156 is about 589.3127648832.

It can be divided in two parts, 20466 and 2156, that added together give a palindrome (22622).

The spelling of 204662156 in words is "two hundred four million, six hundred sixty-two thousand, one hundred fifty-six".