20002023311089 has 2 divisors, whose sum is σ = 20002023311090. Its totient is φ = 20002023311088.

The previous prime is 20002023311047. The next prime is 20002023311117. The reversal of 20002023311089 is 98011332020002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18645944429025 + 1356078882064 = 4318095^2 + 1164508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002023311089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20002023311089.

It is not a weakly prime, because it can be changed into another prime (20002023311489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001011655544 + 10001011655545.

It is an arithmetic number, because the mean of its divisors is an integer number (10001011655545).

Almost surely, 2^{20002023311089} is an apocalyptic number.

It is an amenable number.

20002023311089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002023311089 is an equidigital number, since it uses as much as digits as its factorization.

20002023311089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20002023311089 in words is "twenty trillion, two billion, twenty-three million, three hundred eleven thousand, eighty-nine".