20117557502024 has 32 divisors (see below), whose sum is σ = 39729961252800. Its totient is φ = 9523547985600.

The previous prime is 20117557501963. The next prime is 20117557502033. The reversal of 20117557502024 is 42020575571102.

It is a happy number.

It is a super-2 number, since 2×20117557502024² (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 40176452 + ... + 40674099.

It is an arithmetic number, because the mean of its divisors is an integer number (1241561289150).

Almost surely, 2^{20117557502024} is an apocalyptic number.

It is an amenable number.

20117557502024 is a deficient number, since it is larger than the sum of its proper divisors (19612403750776).

20117557502024 is a wasteful number, since it uses less digits than its factorization.

20117557502024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80852213 (or 80852209 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 20117557502024 in words is "twenty trillion, one hundred seventeen billion, five hundred fifty-seven million, five hundred two thousand, twenty-four".