22020606887 has 2 divisors, whose sum is σ = 22020606888. Its totient is φ = 22020606886.

The previous prime is 22020606857. The next prime is 22020606973. The reversal of 22020606887 is 78860602022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22020606887 - 2¹⁸ = 22020344743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020606857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010303443 + 11010303444.

It is an arithmetic number, because the mean of its divisors is an integer number (11010303444).

Almost surely, 2^22020606887 is an apocalyptic number.

22020606887 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020606887 is an equidigital number, since it uses as much as digits as its factorization.

22020606887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 22020606887 in words is "twenty-two billion, twenty million, six hundred six thousand, eight hundred eighty-seven".