20262980568 has 64 divisors (see below), whose sum is σ = 51301071360. Its totient is φ = 6668617856.

The previous prime is 20262980533. The next prime is 20262980593. The reversal of 20262980568 is 86508926202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4872346 + ... + 4876502.

It is an arithmetic number, because the mean of its divisors is an integer number (801579240).

Almost surely, 2^20262980568 is an apocalyptic number.

It is an amenable number.

20262980568 is an abundant number, since it is smaller than the sum of its proper divisors (31038090792).

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

20262980568 is a wasteful number, since it uses less digits than its factorization.

20262980568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696 (or 6692 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 20262980568 in words is "twenty billion, two hundred sixty-two million, nine hundred eighty thousand, five hundred sixty-eight".