22020019999987 has 2 divisors, whose sum is σ = 22020019999988. Its totient is φ = 22020019999986.

The previous prime is 22020019999933. The next prime is 22020020000059. The reversal of 22020019999987 is 78999991002022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22020019999987 - 2¹¹ = 22020019997939 is a prime.

It is not a weakly prime, because it can be changed into another prime (22020079999987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010009999993 + 11010009999994.

It is an arithmetic number, because the mean of its divisors is an integer number (11010009999994).

Almost surely, 2^{22020019999987} is an apocalyptic number.

22020019999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020019999987 is an equidigital number, since it uses as much as digits as its factorization.

22020019999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26453952, while the sum is 67.

The spelling of 22020019999987 in words is "twenty-two trillion, twenty billion, nineteen million, nine hundred ninety-nine thousand, nine hundred eighty-seven".