204117152 has 24 divisors (see below), whose sum is σ = 423007200. Its totient is φ = 96686784.

The previous prime is 204117149. The next prime is 204117161. The reversal of 204117152 is 251711402.

It is a super-2 number, since 2×204117152² = 83327623481182208, which contains 22 as substring.

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, 167252 + ... + 168467.

It is an arithmetic number, because the mean of its divisors is an integer number (17625300).

Almost surely, 2^204117152 is an apocalyptic number.

It is an amenable number.

204117152 is an abundant number, since it is smaller than the sum of its proper divisors (218890048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204117152 is a wasteful number, since it uses less digits than its factorization.

204117152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335748 (or 335740 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 204117152 is about 14286.9574087697. The cubic root of 204117152 is about 588.7891974330.

Adding to 204117152 its reverse (251711402), we get a palindrome (455828554).

The spelling of 204117152 in words is "two hundred four million, one hundred seventeen thousand, one hundred fifty-two".