20555716695 has 32 divisors (see below), whose sum is σ = 33354048000. Its totient is φ = 10809016704.

The previous prime is 20555716681. The next prime is 20555716711. The reversal of 20555716695 is 59661755502.

It is not a de Polignac number, because 20555716695 - 2¹² = 20555712599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324756 + ... + 382854.

It is an arithmetic number, because the mean of its divisors is an integer number (1042314000).

Almost surely, 2^20555716695 is an apocalyptic number.

20555716695 is a deficient number, since it is larger than the sum of its proper divisors (12798331305).

20555716695 is a wasteful number, since it uses less digits than its factorization.

20555716695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58439.

The product of its (nonzero) digits is 2835000, while the sum is 51.

The spelling of 20555716695 in words is "twenty billion, five hundred fifty-five million, seven hundred sixteen thousand, six hundred ninety-five".