20791277219702 has 16 divisors (see below), whose sum is σ = 34144913435472. Its totient is φ = 9416462932320.

The previous prime is 20791277219701. The next prime is 20791277219717.

It is a happy number.

20791277219702 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20791277219701) 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, 1705874873 + ... + 1705887060.

It is an arithmetic number, because the mean of its divisors is an integer number (2134057089717).

Almost surely, 2^{20791277219702} is an apocalyptic number.

20791277219702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20791277219702 is a deficient number, since it is larger than the sum of its proper divisors (13353636215770).

20791277219702 is a wasteful number, since it uses less digits than its factorization.

20791277219702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411762223.

The product of its (nonzero) digits is 3111696, while the sum is 56.

The spelling of 20791277219702 in words is "twenty trillion, seven hundred ninety-one billion, two hundred seventy-seven million, two hundred nineteen thousand, seven hundred two".