204564196 has 24 divisors (see below), whose sum is σ = 381258360. Its totient is φ = 95703552.

The previous prime is 204564193. The next prime is 204564197. The reversal of 204564196 is 691465402.

It can be written as a sum of positive squares in 4 ways, for example, as 115261696 + 89302500 = 10736^2 + 9450^2 .

It is not an unprimeable number, because it can be changed into a prime (204564193) by changing a digit.

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, 3070 + ... + 20458.

It is an arithmetic number, because the mean of its divisors is an integer number (15885765).

Almost surely, 2^204564196 is an apocalyptic number.

It is an amenable number.

204564196 is a deficient number, since it is larger than the sum of its proper divisors (176694164).

204564196 is a wasteful number, since it uses less digits than its factorization.

204564196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17583 (or 17581 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 204564196 is about 14302.5940304548. The cubic root of 204564196 is about 589.2187265054.

The spelling of 204564196 in words is "two hundred four million, five hundred sixty-four thousand, one hundred ninety-six".