20001122095579 has 2 divisors, whose sum is σ = 20001122095580. Its totient is φ = 20001122095578.

The previous prime is 20001122095547. The next prime is 20001122095589. The reversal of 20001122095579 is 97559022110002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20001122095579 - 2⁵ = 20001122095547 is a prime.

It is a super-2 number, since 2×20001122095579² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20001122095589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000561047789 + 10000561047790.

It is an arithmetic number, because the mean of its divisors is an integer number (10000561047790).

Almost surely, 2^{20001122095579} is an apocalyptic number.

20001122095579 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001122095579 is an equidigital number, since it uses as much as digits as its factorization.

20001122095579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 20001122095579 in words is "twenty trillion, one billion, one hundred twenty-two million, ninety-five thousand, five hundred seventy-nine".