20413515132124 has 12 divisors (see below), whose sum is σ = 37825042744944. Its totient is φ = 9606360062144.

The previous prime is 20413515132119. The next prime is 20413515132161. The reversal of 20413515132124 is 42123151531402.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 20413515132124.

It is a congruent number.

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, 150099375904 + ... + 150099376039.

It is an arithmetic number, because the mean of its divisors is an integer number (3152086895412).

Almost surely, 2^{20413515132124} is an apocalyptic number.

It is an amenable number.

20413515132124 is a deficient number, since it is larger than the sum of its proper divisors (17411527612820).

20413515132124 is a wasteful number, since it uses less digits than its factorization.

20413515132124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300198751964 (or 300198751962 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 20413515132124 its reverse (42123151531402), we get a palindrome (62536666663526).

The spelling of 20413515132124 in words is "twenty trillion, four hundred thirteen billion, five hundred fifteen million, one hundred thirty-two thousand, one hundred twenty-four".