204086560 has 24 divisors (see below), whose sum is σ = 482154876. Its totient is φ = 81634560.

The previous prime is 204086551. The next prime is 204086563. The reversal of 204086560 is 65680402.

It can be written as a sum of positive squares in 2 ways, for example, as 186814224 + 17272336 = 13668^2 + 4156^2 .

It is not an unprimeable number, because it can be changed into a prime (204086563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637611 + ... + 637930.

Almost surely, 2^204086560 is an apocalyptic number.

204086560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204086560 is an abundant number, since it is smaller than the sum of its proper divisors (278068316).

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

204086560 is a wasteful number, since it uses less digits than its factorization.

204086560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275556 (or 1275548 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 204086560 is about 14285.8867418162. The cubic root of 204086560 is about 588.7597810922.

The spelling of 204086560 in words is "two hundred four million, eighty-six thousand, five hundred sixty".