204097880 has 32 divisors (see below), whose sum is σ = 524823840. Its totient is φ = 69976320.

The previous prime is 204097849. The next prime is 204097897. The reversal of 204097880 is 88790402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364181 + ... + 364740.

It is an arithmetic number, because the mean of its divisors is an integer number (16400745).

Almost surely, 2^204097880 is an apocalyptic number.

204097880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204097880 is an abundant number, since it is smaller than the sum of its proper divisors (320725960).

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

204097880 is a wasteful number, since it uses less digits than its factorization.

204097880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728939 (or 728935 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 204097880 is about 14286.2829315396. The cubic root of 204097880 is about 588.7706664040.

The spelling of 204097880 in words is "two hundred four million, ninety-seven thousand, eight hundred eighty".