204322120 has 16 divisors (see below), whose sum is σ = 459724860. Its totient is φ = 81728832.

The previous prime is 204322117. The next prime is 204322159. The reversal of 204322120 is 21223402.

It can be written as a sum of positive squares in 2 ways, for example, as 204089796 + 232324 = 14286^2 + 482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204322094 and 204322103.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2553987 + ... + 2554066.

Almost surely, 2^204322120 is an apocalyptic number.

204322120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204322120 is an abundant number, since it is smaller than the sum of its proper divisors (255402740).

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

204322120 is a wasteful number, since it uses less digits than its factorization.

204322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108064 (or 5108060 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 204322120 is about 14294.1288646773. The cubic root of 204322120 is about 588.9862126768.

Adding to 204322120 its reverse (21223402), we get a palindrome (225545522).

The spelling of 204322120 in words is "two hundred four million, three hundred twenty-two thousand, one hundred twenty".