20140465564 has 12 divisors (see below), whose sum is σ = 35246808184. Its totient is φ = 10069948944.

The previous prime is 20140465529. The next prime is 20140465589. The reversal of 20140465564 is 46556404102.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246322 + ... + 317734.

Almost surely, 2^20140465564 is an apocalyptic number.

It is an amenable number.

20140465564 is a deficient number, since it is larger than the sum of its proper divisors (15106342620).

20140465564 is a wasteful number, since it uses less digits than its factorization.

20140465564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141924 (or 141922 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 20140465564 its reverse (46556404102), we get a palindrome (66696869666).

The spelling of 20140465564 in words is "twenty billion, one hundred forty million, four hundred sixty-five thousand, five hundred sixty-four".