204021245324120 has 64 divisors (see below), whose sum is σ = 524736907110720. Its totient is φ = 69935361560064.

The previous prime is 204021245324119. The next prime is 204021245324147. The reversal of 204021245324120 is 21423542120402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75649967 + ... + 78300446.

It is an arithmetic number, because the mean of its divisors is an integer number (8199014173605).

Almost surely, 2^{204021245324120} is an apocalyptic number.

204021245324120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204021245324120 is an abundant number, since it is smaller than the sum of its proper divisors (320715661786600).

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

204021245324120 is a wasteful number, since it uses less digits than its factorization.

204021245324120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153955164 (or 153955160 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 204021245324120 its reverse (21423542120402), we get a palindrome (225444787444522).

The spelling of 204021245324120 in words is "two hundred four trillion, twenty-one billion, two hundred forty-five million, three hundred twenty-four thousand, one hundred twenty".