204945992 has 8 divisors (see below), whose sum is σ = 384273750. Its totient is φ = 102472992.

The previous prime is 204945977. The next prime is 204946013. The reversal of 204945992 is 299549402.

204945992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 197514916 + 7431076 = 14054^2 + 2726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 12809117 + ... + 12809132.

Almost surely, 2^204945992 is an apocalyptic number.

It is an amenable number.

204945992 is a deficient number, since it is larger than the sum of its proper divisors (179327758).

204945992 is a wasteful number, since it uses less digits than its factorization.

204945992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25618255 (or 25618251 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 204945992 is about 14315.9348978682. The cubic root of 204945992 is about 589.5850687870.

The spelling of 204945992 in words is "two hundred four million, nine hundred forty-five thousand, nine hundred ninety-two".