204030868 has 6 divisors (see below), whose sum is σ = 357054026. Its totient is φ = 102015432.

The previous prime is 204030859. The next prime is 204030943. The reversal of 204030868 is 868030402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 178810384 + 25220484 = 13372^2 + 5022^2 .

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 as a sum of consecutive naturals, namely, 25503855 + ... + 25503862.

Almost surely, 2^204030868 is an apocalyptic number.

It is an amenable number.

204030868 is a deficient number, since it is larger than the sum of its proper divisors (153023158).

204030868 is a wasteful number, since it uses less digits than its factorization.

204030868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51007721 (or 51007719 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 204030868 is about 14283.9374123524. The cubic root of 204030868 is about 588.7062218039.

The spelling of 204030868 in words is "two hundred four million, thirty thousand, eight hundred sixty-eight".