20622273691 has 8 divisors (see below), whose sum is σ = 21836661264. Its totient is φ = 19408032000.

The previous prime is 20622273671. The next prime is 20622273743. The reversal of 20622273691 is 19637222602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20622273691 - 2¹¹ = 20622271643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20622273671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412816 + ... + 460066.

It is an arithmetic number, because the mean of its divisors is an integer number (2729582658).

Almost surely, 2^20622273691 is an apocalyptic number.

20622273691 is a deficient number, since it is larger than the sum of its proper divisors (1214387573).

20622273691 is a wasteful number, since it uses less digits than its factorization.

20622273691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72941.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 20622273691 in words is "twenty billion, six hundred twenty-two million, two hundred seventy-three thousand, six hundred ninety-one".