20222011019993 has 2 divisors, whose sum is σ = 20222011019994. Its totient is φ = 20222011019992.

The previous prime is 20222011019957. The next prime is 20222011020073. The reversal of 20222011019993 is 39991011022202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14939129423689 + 5282881596304 = 3865117^2 + 2298452^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222011019993 - 2¹⁰ = 20222011018969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20222011019993.

It is not a weakly prime, because it can be changed into another prime (20222011013993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111005509996 + 10111005509997.

It is an arithmetic number, because the mean of its divisors is an integer number (10111005509997).

Almost surely, 2^{20222011019993} is an apocalyptic number.

It is an amenable number.

20222011019993 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222011019993 is an equidigital number, since it uses as much as digits as its factorization.

20222011019993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 20222011019993 in words is "twenty trillion, two hundred twenty-two billion, eleven million, nineteen thousand, nine hundred ninety-three".