22020011087 has 2 divisors, whose sum is σ = 22020011088. Its totient is φ = 22020011086.

The previous prime is 22020011077. The next prime is 22020011113. The reversal of 22020011087 is 78011002022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020011087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020011017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010005543 + 11010005544.

It is an arithmetic number, because the mean of its divisors is an integer number (11010005544).

Almost surely, 2^22020011087 is an apocalyptic number.

22020011087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020011087 is an equidigital number, since it uses as much as digits as its factorization.

22020011087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The spelling of 22020011087 in words is "twenty-two billion, twenty million, eleven thousand, eighty-seven".