20368092858868 has 24 divisors (see below), whose sum is σ = 36200877398784. Its totient is φ = 10025419034400.

The previous prime is 20368092858829. The next prime is 20368092858877. The reversal of 20368092858868 is 86885829086302.

It is a self number, because there is not a number n which added to its sum of digits gives 20368092858868.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54062380 + ... + 54437827.

It is an arithmetic number, because the mean of its divisors is an integer number (1508369891616).

Almost surely, 2^{20368092858868} is an apocalyptic number.

It is an amenable number.

20368092858868 is a deficient number, since it is larger than the sum of its proper divisors (15832784539916).

20368092858868 is a wasteful number, since it uses less digits than its factorization.

20368092858868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108500943 (or 108500941 counting only the distinct ones).

The product of its (nonzero) digits is 637009920, while the sum is 73.

The spelling of 20368092858868 in words is "twenty trillion, three hundred sixty-eight billion, ninety-two million, eight hundred fifty-eight thousand, eight hundred sixty-eight".