204131328 has 44 divisors (see below), whose sum is σ = 544092600. Its totient is φ = 68042752.

The previous prime is 204131321. The next prime is 204131329. The reversal of 204131328 is 823131402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 204131298 and 204131307.

It is not an unprimeable number, because it can be changed into a prime (204131321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30153 + ... + 36296.

Almost surely, 2^204131328 is an apocalyptic number.

It is an amenable number.

204131328 is an abundant number, since it is smaller than the sum of its proper divisors (339961272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204131328 is an equidigital number, since it uses as much as digits as its factorization.

204131328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66472 (or 66454 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 204131328 is about 14287.4535169848. The cubic root of 204131328 is about 588.8028276487.

The spelling of 204131328 in words is "two hundred four million, one hundred thirty-one thousand, three hundred twenty-eight".