20413120304104 has 32 divisors (see below), whose sum is σ = 42144335056800. Its totient is φ = 9191974304320.

The previous prime is 20413120304099. The next prime is 20413120304113. The reversal of 20413120304104 is 40140302131402.

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, 1083949819 + ... + 1083968650.

It is an arithmetic number, because the mean of its divisors is an integer number (1317010470525).

Almost surely, 2^{20413120304104} is an apocalyptic number.

It is an amenable number.

20413120304104 is an abundant number, since it is smaller than the sum of its proper divisors (21731214752696).

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

20413120304104 is a wasteful number, since it uses less digits than its factorization.

20413120304104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167918593 (or 2167918589 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20413120304104 its reverse (40140302131402), we get a palindrome (60553422435506).

The spelling of 20413120304104 in words is "twenty trillion, four hundred thirteen billion, one hundred twenty million, three hundred four thousand, one hundred four".