204322220 has 24 divisors (see below), whose sum is σ = 429573984. Its totient is φ = 81634176.

The previous prime is 204322213. The next prime is 204322231. The reversal of 204322220 is 22223402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13289 + ... + 24191.

It is an arithmetic number, because the mean of its divisors is an integer number (17898916).

Almost surely, 2^204322220 is an apocalyptic number.

204322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204322220 is an abundant number, since it is smaller than the sum of its proper divisors (225251764).

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

204322220 is a wasteful number, since it uses less digits than its factorization.

204322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11849 (or 11847 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 204322220 is about 14294.1323626165. The cubic root of 204322220 is about 588.9863087646.

Adding to 204322220 its reverse (22223402), we get a palindrome (226545622).

The spelling of 204322220 in words is "two hundred four million, three hundred twenty-two thousand, two hundred twenty".