20117504772098 has 16 divisors (see below), whose sum is σ = 31490027669376. Its totient is φ = 9620877752640.

The previous prime is 20117504772097. The next prime is 20117504772181. The reversal of 20117504772098 is 89027740571102.

It is not an unprimeable number, because it can be changed into a prime (20117504772097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11384711 + ... + 13032522.

It is an arithmetic number, because the mean of its divisors is an integer number (1968126729336).

Almost surely, 2^{20117504772098} is an apocalyptic number.

20117504772098 is a deficient number, since it is larger than the sum of its proper divisors (11372522897278).

20117504772098 is a wasteful number, since it uses less digits than its factorization.

20117504772098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24435169.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 20117504772098 in words is "twenty trillion, one hundred seventeen billion, five hundred four million, seven hundred seventy-two thousand, ninety-eight".