204069172 has 24 divisors (see below), whose sum is σ = 372161160. Its totient is φ = 97789440.

The previous prime is 204069169. The next prime is 204069191. The reversal of 204069172 is 271960402.

It can be written as a sum of positive squares in 4 ways, for example, as 35952016 + 168117156 = 5996^2 + 12966^2 .

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 9472 + ... + 22312.

It is an arithmetic number, because the mean of its divisors is an integer number (15506715).

Almost surely, 2^204069172 is an apocalyptic number.

It is an amenable number.

204069172 is a deficient number, since it is larger than the sum of its proper divisors (168091988).

204069172 is a wasteful number, since it uses less digits than its factorization.

204069172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13011 (or 13009 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 204069172 is about 14285.2781561998. The cubic root of 204069172 is about 588.7430600078.

The spelling of 204069172 in words is "two hundred four million, sixty-nine thousand, one hundred seventy-two".