204152644 has 12 divisors (see below), whose sum is σ = 376070800. Its totient is φ = 96703848.

The previous prime is 204152633. The next prime is 204152647. The reversal of 204152644 is 446251402.

It is not an unprimeable number, because it can be changed into a prime (204152647) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1343034 + ... + 1343185.

Almost surely, 2^204152644 is an apocalyptic number.

It is an amenable number.

204152644 is a deficient number, since it is larger than the sum of its proper divisors (171918156).

204152644 is a wasteful number, since it uses less digits than its factorization.

204152644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686242 (or 2686240 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 204152644 is about 14288.1994666928. The cubic root of 204152644 is about 588.8233217825.

The spelling of 204152644 in words is "two hundred four million, one hundred fifty-two thousand, six hundred forty-four".