20068706595722 has 16 divisors (see below), whose sum is σ = 30180069861480. Its totient is φ = 10008685291968.

The previous prime is 20068706595719. The next prime is 20068706595731. The reversal of 20068706595722 is 22759560786002.

It is a Cunningham number, because it is equal to 4479811²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 20068706595721 + 1 = 4479811^2 + 1^2 .

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, 20311508 + ... + 21276624.

Almost surely, 2^{20068706595722} is an apocalyptic number.

20068706595722 is a deficient number, since it is larger than the sum of its proper divisors (10111363265758).

20068706595722 is a wasteful number, since it uses less digits than its factorization.

20068706595722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991705.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 20068706595722 in words is "twenty trillion, sixty-eight billion, seven hundred six million, five hundred ninety-five thousand, seven hundred twenty-two".