20117563343124 has 48 divisors (see below), whose sum is σ = 50920817320128. Its totient is φ = 6144836859648.

The previous prime is 20117563343123. The next prime is 20117563343167. The reversal of 20117563343124 is 42134336571102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20117563343123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470630962 + ... + 470673705.

It is an arithmetic number, because the mean of its divisors is an integer number (1060850360836).

Almost surely, 2^{20117563343124} is an apocalyptic number.

It is an amenable number.

20117563343124 is an abundant number, since it is smaller than the sum of its proper divisors (30803253977004).

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

20117563343124 is a wasteful number, since it uses less digits than its factorization.

20117563343124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941304824 (or 941304822 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20117563343124 in words is "twenty trillion, one hundred seventeen billion, five hundred sixty-three million, three hundred forty-three thousand, one hundred twenty-four".