20140021163704 has 32 divisors (see below), whose sum is σ = 40670473500720. Its totient is φ = 9294680537856.

The previous prime is 20140021163693. The next prime is 20140021163737. The reversal of 20140021163704 is 40736112004102.

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, 6073942 + ... + 8784805.

Almost surely, 2^{20140021163704} is an apocalyptic number.

It is an amenable number.

20140021163704 is an abundant number, since it is smaller than the sum of its proper divisors (20530452337016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20140021163704 is a wasteful number, since it uses less digits than its factorization.

20140021163704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14871799 (or 14871795 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 20140021163704 its reverse (40736112004102), we get a palindrome (60876133167806).

The spelling of 20140021163704 in words is "twenty trillion, one hundred forty billion, twenty-one million, one hundred sixty-three thousand, seven hundred four".