204215232 has 56 divisors (see below), whose sum is σ = 581889616. Its totient is φ = 62834688.

The previous prime is 204215227. The next prime is 204215239. The reversal of 204215232 is 232512402.

204215232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204215199 and 204215208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204215239) 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, 38413 + ... + 43404.

It is an arithmetic number, because the mean of its divisors is an integer number (10390886).

Almost surely, 2^204215232 is an apocalyptic number.

It is an amenable number.

204215232 is an abundant number, since it is smaller than the sum of its proper divisors (377674384).

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

204215232 is a wasteful number, since it uses less digits than its factorization.

204215232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81845 (or 81835 counting only the distinct ones).

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

The square root of 204215232 is about 14290.3894978408. The cubic root of 204215232 is about 588.8834883779.

Adding to 204215232 its reverse (232512402), we get a palindrome (436727634).

The spelling of 204215232 in words is "two hundred four million, two hundred fifteen thousand, two hundred thirty-two".