204133880 has 32 divisors (see below), whose sum is σ = 462356640. Its totient is φ = 81110400.

The previous prime is 204133879. The next prime is 204133889. The reversal of 204133880 is 88331402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204133889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10859 + ... + 22938.

It is an arithmetic number, because the mean of its divisors is an integer number (14448645).

Almost surely, 2^204133880 is an apocalyptic number.

204133880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204133880 is an abundant number, since it is smaller than the sum of its proper divisors (258222760).

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

204133880 is a wasteful number, since it uses less digits than its factorization.

204133880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33959 (or 33955 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 204133880 is about 14287.5428258326. The cubic root of 204133880 is about 588.8052813282.

The spelling of 204133880 in words is "two hundred four million, one hundred thirty-three thousand, eight hundred eighty".