204605260 has 24 divisors (see below), whose sum is σ = 435113280. Its totient is φ = 80805504.

The previous prime is 204605257. The next prime is 204605273. The reversal of 204605260 is 62506402.

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, 63169 + ... + 66328.

It is an arithmetic number, because the mean of its divisors is an integer number (18129720).

Almost surely, 2^204605260 is an apocalyptic number.

204605260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204605260 is an abundant number, since it is smaller than the sum of its proper divisors (230508020).

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

204605260 is a wasteful number, since it uses less digits than its factorization.

204605260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129585 (or 129583 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 204605260 is about 14304.0295022067. The cubic root of 204605260 is about 589.2581502486.

The spelling of 204605260 in words is "two hundred four million, six hundred five thousand, two hundred sixty".