20368092858879 has 4 divisors (see below), whose sum is σ = 27157457145176. Its totient is φ = 13578728572584.

The previous prime is 20368092858877. The next prime is 20368092858907. The reversal of 20368092858879 is 97885829086302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20368092858879 - 2¹ = 20368092858877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20368092858879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20368092858877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3394682143144 + ... + 3394682143149.

It is an arithmetic number, because the mean of its divisors is an integer number (6789364286294).

Almost surely, 2^{20368092858879} is an apocalyptic number.

20368092858879 is a deficient number, since it is larger than the sum of its proper divisors (6789364286297).

20368092858879 is an equidigital number, since it uses as much as digits as its factorization.

20368092858879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6789364286296.

The product of its (nonzero) digits is 836075520, while the sum is 75.

The spelling of 20368092858879 in words is "twenty trillion, three hundred sixty-eight billion, ninety-two million, eight hundred fifty-eight thousand, eight hundred seventy-nine".