204313980 has 96 divisors (see below), whose sum is σ = 620250624. Its totient is φ = 49953024.

The previous prime is 204313957. The next prime is 204313981. The reversal of 204313980 is 89313402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204313981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126337 + ... + 127943.

It is an arithmetic number, because the mean of its divisors is an integer number (6460944).

Almost surely, 2^204313980 is an apocalyptic number.

204313980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204313980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310125312).

204313980 is an abundant number, since it is smaller than the sum of its proper divisors (415936644).

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

204313980 is a wasteful number, since it uses less digits than its factorization.

204313980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 204313980 is about 14293.8441295545. The cubic root of 204313980 is about 588.9783910217.

The spelling of 204313980 in words is "two hundred four million, three hundred thirteen thousand, nine hundred eighty".