20117504772273 has 16 divisors (see below), whose sum is σ = 27340474262976. Its totient is φ = 13153306895040.

The previous prime is 20117504772251. The next prime is 20117504772283. The reversal of 20117504772273 is 37227740571102.

It is not a de Polignac number, because 20117504772273 - 2¹⁰ = 20117504771249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20117504772283) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25146163 + ... + 25933848.

It is an arithmetic number, because the mean of its divisors is an integer number (1708779641436).

Almost surely, 2^{20117504772273} is an apocalyptic number.

It is an amenable number.

20117504772273 is a deficient number, since it is larger than the sum of its proper divisors (7222969490703).

20117504772273 is a wasteful number, since it uses less digits than its factorization.

20117504772273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51082544.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 20117504772273 in words is "twenty trillion, one hundred seventeen billion, five hundred four million, seven hundred seventy-two thousand, two hundred seventy-three".