204052220 has 12 divisors (see below), whose sum is σ = 428509704. Its totient is φ = 81620880.

The previous prime is 204052217. The next prime is 204052223. The reversal of 204052220 is 22250402.

It is an interprime number because it is at equal distance from previous prime (204052217) and next prime (204052223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204052223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5101286 + ... + 5101325.

It is an arithmetic number, because the mean of its divisors is an integer number (35709142).

Almost surely, 2^204052220 is an apocalyptic number.

204052220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204052220 is an abundant number, since it is smaller than the sum of its proper divisors (224457484).

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

204052220 is a wasteful number, since it uses less digits than its factorization.

204052220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202620 (or 10202618 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 204052220 is about 14284.6848057631. The cubic root of 204052220 is about 588.7267572861.

The spelling of 204052220 in words is "two hundred four million, fifty-two thousand, two hundred twenty".