204004110020 has 48 divisors (see below), whose sum is σ = 435906636480. Its totient is φ = 80174957184.

The previous prime is 204004110019. The next prime is 204004110059. The reversal of 204004110020 is 20011400402.

It is a junction number, because it is equal to n+sod(n) for n = 204004109977 and 204004110004.

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, 2168807 + ... + 2260913.

It is an arithmetic number, because the mean of its divisors is an integer number (9081388260).

Almost surely, 2^204004110020 is an apocalyptic number.

204004110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204004110020 is an abundant number, since it is smaller than the sum of its proper divisors (231902526460).

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

204004110020 is a wasteful number, since it uses less digits than its factorization.

204004110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94052 (or 94050 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 204004110020 its reverse (20011400402), we get a palindrome (224015510422).

The spelling of 204004110020 in words is "two hundred four billion, four million, one hundred ten thousand, twenty".