204880266 has 40 divisors (see below), whose sum is σ = 460032804. Its totient is φ = 68152320.

The previous prime is 204880261. The next prime is 204880289. The reversal of 204880266 is 662088402.

It can be written as a sum of positive squares in 2 ways, for example, as 203490225 + 1390041 = 14265^2 + 1179^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 204880266.

It is not an unprimeable number, because it can be changed into a prime (204880261) 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 19 ways as a sum of consecutive naturals, for example, 102856 + ... + 104828.

Almost surely, 2^204880266 is an apocalyptic number.

204880266 is an abundant number, since it is smaller than the sum of its proper divisors (255152538).

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

204880266 is a wasteful number, since it uses less digits than its factorization.

204880266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 204880266 is about 14313.6391599062. The cubic root of 204880266 is about 589.5220355767.

The spelling of 204880266 in words is "two hundred four million, eight hundred eighty thousand, two hundred sixty-six".