204538568 has 32 divisors (see below), whose sum is σ = 415128000. Its totient is φ = 93918528.

The previous prime is 204538559. The next prime is 204538601. The reversal of 204538568 is 865835402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15755 + ... + 25637.

It is an arithmetic number, because the mean of its divisors is an integer number (12972750).

Almost surely, 2^204538568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204538568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207564000).

204538568 is an abundant number, since it is smaller than the sum of its proper divisors (210589432).

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

204538568 is a wasteful number, since it uses less digits than its factorization.

204538568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101 (or 10097 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 204538568 is about 14301.6980809972. The cubic root of 204538568 is about 589.1941195142.

The spelling of 204538568 in words is "two hundred four million, five hundred thirty-eight thousand, five hundred sixty-eight".