20662860063 has 32 divisors (see below), whose sum is σ = 28810321920. Its totient is φ = 13157464320.

The previous prime is 20662860061. The next prime is 20662860091. The reversal of 20662860063 is 36006826602.

It is not a de Polignac number, because 20662860063 - 2¹ = 20662860061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20662860061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5402970 + ... + 5406792.

It is an arithmetic number, because the mean of its divisors is an integer number (900322560).

Almost surely, 2^20662860063 is an apocalyptic number.

20662860063 is a deficient number, since it is larger than the sum of its proper divisors (8147461857).

20662860063 is a wasteful number, since it uses less digits than its factorization.

20662860063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4599.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 20662860063 in words is "twenty billion, six hundred sixty-two million, eight hundred sixty thousand, sixty-three".