204203312 has 20 divisors (see below), whose sum is σ = 396156936. Its totient is φ = 101969280.

The previous prime is 204203287. The next prime is 204203327. The reversal of 204203312 is 213302402.

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 3 ways as a sum of consecutive naturals, for example, 5108 + ... + 20844.

Almost surely, 2^204203312 is an apocalyptic number.

It is an amenable number.

204203312 is a deficient number, since it is larger than the sum of its proper divisors (191953624).

204203312 is a wasteful number, since it uses less digits than its factorization.

204203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16556 (or 16550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 204203312 is about 14289.9724282449. The cubic root of 204203312 is about 588.8720304866.

Adding to 204203312 its reverse (213302402), we get a palindrome (417505714).

It can be divided in two parts, 20420 and 3312, that added together give a palindrome (23732).

The spelling of 204203312 in words is "two hundred four million, two hundred three thousand, three hundred twelve".