204870992 has 40 divisors (see below), whose sum is σ = 405140736. Its totient is φ = 100336896.

The previous prime is 204870989. The next prime is 204871003. The reversal of 204870992 is 299078402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238628 + ... + 239484.

Almost surely, 2^204870992 is an apocalyptic number.

It is an amenable number.

204870992 is a deficient number, since it is larger than the sum of its proper divisors (200269744).

204870992 is a wasteful number, since it uses less digits than its factorization.

204870992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 204870992 is about 14313.3151994917. The cubic root of 204870992 is about 589.5131404466.

The spelling of 204870992 in words is "two hundred four million, eight hundred seventy thousand, nine hundred ninety-two".