204356216 has 16 divisors (see below), whose sum is σ = 395528640. Its totient is φ = 98881920.

The previous prime is 204356203. The next prime is 204356239. The reversal of 204356216 is 612653402.

204356216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204356216² = 83522926035677312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411761 + ... + 412256.

It is an arithmetic number, because the mean of its divisors is an integer number (24720540).

Almost surely, 2^204356216 is an apocalyptic number.

It is an amenable number.

204356216 is a deficient number, since it is larger than the sum of its proper divisors (191172424).

204356216 is a wasteful number, since it uses less digits than its factorization.

204356216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824054 (or 824050 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 204356216 is about 14295.3214724259. The cubic root of 204356216 is about 589.0189729688.

The spelling of 204356216 in words is "two hundred four million, three hundred fifty-six thousand, two hundred sixteen".