204117232 has 60 divisors (see below), whose sum is σ = 458414856. Its totient is φ = 87301120.

The previous prime is 204117223. The next prime is 204117269. The reversal of 204117232 is 232711402.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48858 + ... + 52870.

Almost surely, 2^204117232 is an apocalyptic number.

204117232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204117232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229207428).

204117232 is an abundant number, since it is smaller than the sum of its proper divisors (254297624).

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

204117232 is a wasteful number, since it uses less digits than its factorization.

204117232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066 (or 4043 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 204117232 is about 14286.9602085258. The cubic root of 204117232 is about 588.7892743547.

Adding to 204117232 its reverse (232711402), we get a palindrome (436828634).

The spelling of 204117232 in words is "two hundred four million, one hundred seventeen thousand, two hundred thirty-two".