204747996 has 12 divisors (see below), whose sum is σ = 477745352. Its totient is φ = 68249328.

The previous prime is 204747967. The next prime is 204748021. The reversal of 204747996 is 699747402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 8531155 + ... + 8531178.

Almost surely, 2^204747996 is an apocalyptic number.

It is an amenable number.

204747996 is an abundant number, since it is smaller than the sum of its proper divisors (272997356).

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

204747996 is a wasteful number, since it uses less digits than its factorization.

204747996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17062340 (or 17062338 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 204747996 is about 14309.0179956557. The cubic root of 204747996 is about 589.3951437949.

The spelling of 204747996 in words is "two hundred four million, seven hundred forty-seven thousand, nine hundred ninety-six".