204442402020 has 24 divisors (see below), whose sum is σ = 572438725824. Its totient is φ = 54517973856.

The previous prime is 204442401991. The next prime is 204442402057. The reversal of 204442402020 is 20204244402.

204442402020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1703686624 + ... + 1703686743.

It is an arithmetic number, because the mean of its divisors is an integer number (23851613576).

Almost surely, 2^204442402020 is an apocalyptic number.

204442402020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204442402020 is an abundant number, since it is smaller than the sum of its proper divisors (367996323804).

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

204442402020 is a wasteful number, since it uses less digits than its factorization.

204442402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407373379 (or 3407373377 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 204442402020 its reverse (20204244402), we get a palindrome (224646646422).

The spelling of 204442402020 in words is "two hundred four billion, four hundred forty-two million, four hundred two thousand, twenty".