20507364532 has 12 divisors (see below), whose sum is σ = 35965402816. Its totient is φ = 10231535160.

The previous prime is 20507364463. The next prime is 20507364533. The reversal of 20507364532 is 23546370502.

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 junction number, because it is equal to n+sod(n) for n = 20507364491 and 20507364500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20507364533) 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, 5534694 + ... + 5538397.

Almost surely, 2^20507364532 is an apocalyptic number.

It is an amenable number.

20507364532 is a deficient number, since it is larger than the sum of its proper divisors (15458038284).

20507364532 is a wasteful number, since it uses less digits than its factorization.

20507364532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11073558 (or 11073556 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 20507364532 in words is "twenty billion, five hundred seven million, three hundred sixty-four thousand, five hundred thirty-two".