204020612 has 12 divisors (see below), whose sum is σ = 358308636. Its totient is φ = 101646720.

The previous prime is 204020611. The next prime is 204020617. The reversal of 204020612 is 216020402.

It can be written as a sum of positive squares in 2 ways, for example, as 63266116 + 140754496 = 7954^2 + 11864^2 .

It is not an unprimeable number, because it can be changed into a prime (204020611) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 89633 + ... + 91880.

It is an arithmetic number, because the mean of its divisors is an integer number (29859053).

Almost surely, 2^204020612 is an apocalyptic number.

It is an amenable number.

204020612 is a deficient number, since it is larger than the sum of its proper divisors (154288024).

204020612 is a wasteful number, since it uses less digits than its factorization.

204020612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181798 (or 181796 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204020612 is about 14283.5784031873. The cubic root of 204020612 is about 588.6963574923.

The spelling of 204020612 in words is "two hundred four million, twenty thousand, six hundred twelve".