20364368468 has 24 divisors (see below), whose sum is σ = 35786658600. Its totient is φ = 10139644928.

The previous prime is 20364368449. The next prime is 20364368477. The reversal of 20364368468 is 86486346302.

It can be written as a sum of positive squares in 4 ways, for example, as 1886859844 + 18477508624 = 43438^2 + 135932^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225196 + ... + 4230012.

It is an arithmetic number, because the mean of its divisors is an integer number (1491110775).

Almost surely, 2^20364368468 is an apocalyptic number.

It is an amenable number.

20364368468 is a deficient number, since it is larger than the sum of its proper divisors (15422290132).

20364368468 is a wasteful number, since it uses less digits than its factorization.

20364368468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019 (or 9017 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 50.

The spelling of 20364368468 in words is "twenty billion, three hundred sixty-four million, three hundred sixty-eight thousand, four hundred sixty-eight".