204882880 has 28 divisors (see below), whose sum is σ = 487878120. Its totient is φ = 81953024.

The previous prime is 204882841. The next prime is 204882889. The reversal of 204882880 is 88288402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204882889) 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, 319810 + ... + 320449.

Almost surely, 2^204882880 is an apocalyptic number.

204882880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204882880 is an abundant number, since it is smaller than the sum of its proper divisors (282995240).

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

204882880 is an equidigital number, since it uses as much as digits as its factorization.

204882880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640276 (or 640266 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 204882880 is about 14313.7304711246. The cubic root of 204882880 is about 589.5245427387.

The spelling of 204882880 in words is "two hundred four million, eight hundred eighty-two thousand, eight hundred eighty".