204263428 has 24 divisors (see below), whose sum is σ = 366962400. Its totient is φ = 99450048.

The previous prime is 204263413. The next prime is 204263429. The reversal of 204263428 is 824362402.

204263428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204263428² = 83447096036622368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204263428.

It is not an unprimeable number, because it can be changed into a prime (204263429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21208 + ... + 29296.

It is an arithmetic number, because the mean of its divisors is an integer number (15290100).

Almost surely, 2^204263428 is an apocalyptic number.

It is an amenable number.

204263428 is a deficient number, since it is larger than the sum of its proper divisors (162698972).

204263428 is a wasteful number, since it uses less digits than its factorization.

204263428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 204263428 is about 14292.0757064885. The cubic root of 204263428 is about 588.9298113935.

The spelling of 204263428 in words is "two hundred four million, two hundred sixty-three thousand, four hundred twenty-eight".