20117504772150 has 24 divisors (see below), whose sum is σ = 49891411835304. Its totient is φ = 5364667939200.

The previous prime is 20117504772097. The next prime is 20117504772181. The reversal of 20117504772150 is 5127740571102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67058349091 + ... + 67058349390.

It is an arithmetic number, because the mean of its divisors is an integer number (2078808826471).

Almost surely, 2^{20117504772150} is an apocalyptic number.

20117504772150 is an abundant number, since it is smaller than the sum of its proper divisors (29773907063154).

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

20117504772150 is a wasteful number, since it uses less digits than its factorization.

20117504772150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134116698496 (or 134116698491 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 42.

The spelling of 20117504772150 in words is "twenty trillion, one hundred seventeen billion, five hundred four million, seven hundred seventy-two thousand, one hundred fifty".