204530422120 has 16 divisors (see below), whose sum is σ = 460193449860. Its totient is φ = 81812168832.

The previous prime is 204530422097. The next prime is 204530422147. The reversal of 204530422120 is 21224035402.

It can be written as a sum of positive squares in 2 ways, for example, as 194659204804 + 9871217316 = 441202^2 + 99354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556630237 + ... + 2556630316.

Almost surely, 2^204530422120 is an apocalyptic number.

204530422120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204530422120 is an abundant number, since it is smaller than the sum of its proper divisors (255663027740).

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

204530422120 is a wasteful number, since it uses less digits than its factorization.

204530422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113260564 (or 5113260560 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 204530422120 its reverse (21224035402), we get a palindrome (225754457522).

The spelling of 204530422120 in words is "two hundred four billion, five hundred thirty million, four hundred twenty-two thousand, one hundred twenty".