20379711163 has 32 divisors (see below), whose sum is σ = 25996377600. Its totient is φ = 15553119744.

The previous prime is 20379711127. The next prime is 20379711179. The reversal of 20379711163 is 36111797302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20379711163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20379711263) 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 31 ways as a sum of consecutive naturals, for example, 1664781 + ... + 1676977.

It is an arithmetic number, because the mean of its divisors is an integer number (812386800).

Almost surely, 2^20379711163 is an apocalyptic number.

20379711163 is a deficient number, since it is larger than the sum of its proper divisors (5616666437).

20379711163 is a wasteful number, since it uses less digits than its factorization.

20379711163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979.

The product of its (nonzero) digits is 47628, while the sum is 40.

The spelling of 20379711163 in words is "twenty billion, three hundred seventy-nine million, seven hundred eleven thousand, one hundred sixty-three".