204428075 has 12 divisors (see below), whose sum is σ = 254315568. Its totient is φ = 163010400.

The previous prime is 204428039. The next prime is 204428093. The reversal of 204428075 is 570824402.

It is not a de Polignac number, because 204428075 - 2¹² = 204423979 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5372 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (21192964).

Almost surely, 2^204428075 is an apocalyptic number.

204428075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

204428075 is a deficient number, since it is larger than the sum of its proper divisors (49887493).

204428075 is a wasteful number, since it uses less digits than its factorization.

204428075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26614 (or 26609 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 204428075 is about 14297.8346262642. The cubic root of 204428075 is about 589.0880049676.

The spelling of 204428075 in words is "two hundred four million, four hundred twenty-eight thousand, seventy-five".