22020562693 has 2 divisors, whose sum is σ = 22020562694. Its totient is φ = 22020562692.

The previous prime is 22020562651. The next prime is 22020562709. The reversal of 22020562693 is 39626502022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21795502689 + 225060004 = 147633^2 + 15002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020562693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020562093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010281346 + 11010281347.

It is an arithmetic number, because the mean of its divisors is an integer number (11010281347).

Almost surely, 2^22020562693 is an apocalyptic number.

It is an amenable number.

22020562693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020562693 is an equidigital number, since it uses as much as digits as its factorization.

22020562693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 22020562693 in words is "twenty-two billion, twenty million, five hundred sixty-two thousand, six hundred ninety-three".