204504312 has 16 divisors (see below), whose sum is σ = 511260840. Its totient is φ = 68168096.

The previous prime is 204504257. The next prime is 204504319. The reversal of 204504312 is 213405402.

204504312 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204504319) 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, 4260483 + ... + 4260530.

Almost surely, 2^204504312 is an apocalyptic number.

It is an amenable number.

204504312 is an abundant number, since it is smaller than the sum of its proper divisors (306756528).

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

204504312 is a wasteful number, since it uses less digits than its factorization.

204504312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521022 (or 8521018 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 204504312 is about 14300.5004108248. The cubic root of 204504312 is about 589.1612250486.

Adding to 204504312 its reverse (213405402), we get a palindrome (417909714).

The spelling of 204504312 in words is "two hundred four million, five hundred four thousand, three hundred twelve".