20124020404024 has 32 divisors (see below), whose sum is σ = 38899684026720. Its totient is φ = 9752839364736.

The previous prime is 20124020404003. The next prime is 20124020404087. The reversal of 20124020404024 is 42040402042102.

It is a self number, because there is not a number n which added to its sum of digits gives 20124020404024.

It is a congruent number.

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, 129174159 + ... + 129329854.

It is an arithmetic number, because the mean of its divisors is an integer number (1215615125835).

Almost surely, 2^{20124020404024} is an apocalyptic number.

It is an amenable number.

20124020404024 is a deficient number, since it is larger than the sum of its proper divisors (18775663622696).

20124020404024 is a wasteful number, since it uses less digits than its factorization.

20124020404024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258504319 (or 258504315 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 20124020404024 its reverse (42040402042102), we get a palindrome (62164422446126).

The spelling of 20124020404024 in words is "twenty trillion, one hundred twenty-four billion, twenty million, four hundred four thousand, twenty-four".