204724364 has 24 divisors (see below), whose sum is σ = 387844800. Its totient is φ = 93993984.

The previous prime is 204724349. The next prime is 204724391. The reversal of 204724364 is 463427402.

It is a self number, because there is not a number n which added to its sum of digits gives 204724364.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164 + ... + 20235.

It is an arithmetic number, because the mean of its divisors is an integer number (16160200).

Almost surely, 2^204724364 is an apocalyptic number.

It is an amenable number.

204724364 is a deficient number, since it is larger than the sum of its proper divisors (183120436).

204724364 is a wasteful number, since it uses less digits than its factorization.

204724364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20609 (or 20607 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 204724364 is about 14308.1921988768. The cubic root of 204724364 is about 589.3724669397.

The spelling of 204724364 in words is "two hundred four million, seven hundred twenty-four thousand, three hundred sixty-four".