20570560726772 has 24 divisors (see below), whose sum is σ = 41141503651584. Its totient is φ = 8815872697632.

The previous prime is 20570560726769. The next prime is 20570560726789. The reversal of 20570560726772 is 27762706507502.

It is a super-2 number, since 2×20570560726772² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294668 + ... + 6420899.

It is an arithmetic number, because the mean of its divisors is an integer number (1714229318816).

Almost surely, 2^{20570560726772} is an apocalyptic number.

It is an amenable number.

20570560726772 is an abundant number, since it is smaller than the sum of its proper divisors (20570942924812).

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

20570560726772 is a wasteful number, since it uses less digits than its factorization.

20570560726772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6824975 (or 6824973 counting only the distinct ones).

The product of its (nonzero) digits is 17287200, while the sum is 56.

The spelling of 20570560726772 in words is "twenty trillion, five hundred seventy billion, five hundred sixty million, seven hundred twenty-six thousand, seven hundred seventy-two".