204512316 has 24 divisors (see below), whose sum is σ = 478270800. Its totient is φ = 68017152.

The previous prime is 204512311. The next prime is 204512317. The reversal of 204512316 is 613215402.

204512316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204512311) 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, 13591 + ... + 24366.

It is an arithmetic number, because the mean of its divisors is an integer number (19927950).

Almost surely, 2^204512316 is an apocalyptic number.

It is an amenable number.

204512316 is an abundant number, since it is smaller than the sum of its proper divisors (273758484).

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

204512316 is a wasteful number, since it uses less digits than its factorization.

204512316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38413 (or 38411 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 204512316 is about 14300.7802584335. The cubic root of 204512316 is about 589.1689112515.

Adding to 204512316 its reverse (613215402), we get a palindrome (817727718).

The spelling of 204512316 in words is "two hundred four million, five hundred twelve thousand, three hundred sixteen".