204345568 has 48 divisors (see below), whose sum is σ = 463155840. Its totient is φ = 86933376.

The previous prime is 204345563. The next prime is 204345569. The reversal of 204345568 is 865543402.

It is a super-2 number, since 2×204345568² = 83514222322485248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204345563) 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, 27855 + ... + 34417.

It is an arithmetic number, because the mean of its divisors is an integer number (9649080).

Almost surely, 2^204345568 is an apocalyptic number.

204345568 is a gapful number since it is divisible by the number (28) 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 204345568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231577920).

204345568 is an abundant number, since it is smaller than the sum of its proper divisors (258810272).

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

204345568 is a wasteful number, since it uses less digits than its factorization.

204345568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719 (or 6711 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 204345568 is about 14294.9490380344. The cubic root of 204345568 is about 589.0087424946.

The spelling of 204345568 in words is "two hundred four million, three hundred forty-five thousand, five hundred sixty-eight".