20264264620 has 12 divisors (see below), whose sum is σ = 42554955744. Its totient is φ = 8105705840.

The previous prime is 20264264611. The next prime is 20264264627. The reversal of 20264264620 is 2646246202.

It is not an unprimeable number, because it can be changed into a prime (20264264627) 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, 506606596 + ... + 506606635.

It is an arithmetic number, because the mean of its divisors is an integer number (3546246312).

Almost surely, 2^20264264620 is an apocalyptic number.

20264264620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20264264620 is an abundant number, since it is smaller than the sum of its proper divisors (22290691124).

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

20264264620 is a wasteful number, since it uses less digits than its factorization.

20264264620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013213240 (or 1013213238 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 20264264620 in words is "twenty billion, two hundred sixty-four million, two hundred sixty-four thousand, six hundred twenty".