20117563372763 has 8 divisors (see below), whose sum is σ = 20992897575168. Its totient is φ = 19242283964904.

The previous prime is 20117563372757. The next prime is 20117563372817. The reversal of 20117563372763 is 36727336571102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20117563372763 - 2¹⁰ = 20117563371739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20117563372723) 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, 12947495 + ... + 14417792.

It is an arithmetic number, because the mean of its divisors is an integer number (2624112196896).

Almost surely, 2^{20117563372763} is an apocalyptic number.

20117563372763 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20117563372763 is a deficient number, since it is larger than the sum of its proper divisors (875334202405).

20117563372763 is a wasteful number, since it uses less digits than its factorization.

20117563372763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27397273.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 20117563372763 in words is "twenty trillion, one hundred seventeen billion, five hundred sixty-three million, three hundred seventy-two thousand, seven hundred sixty-three".