20268564060 has 48 divisors (see below), whose sum is σ = 56765461536. Its totient is φ = 5403666432.

The previous prime is 20268564037. The next prime is 20268564079. The reversal of 20268564060 is 6046586202.

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, 229524 + ... + 305316.

It is an arithmetic number, because the mean of its divisors is an integer number (1182613782).

Almost surely, 2^20268564060 is an apocalyptic number.

20268564060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20268564060 is an abundant number, since it is smaller than the sum of its proper divisors (36496897476).

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

20268564060 is a wasteful number, since it uses less digits than its factorization.

20268564060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80262 (or 80260 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 20268564060 in words is "twenty billion, two hundred sixty-eight million, five hundred sixty-four thousand, sixty".