20000011010489 has 2 divisors, whose sum is σ = 20000011010490. Its totient is φ = 20000011010488.

The previous prime is 20000011010459. The next prime is 20000011010503. The reversal of 20000011010489 is 98401011000002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18833794603264 + 1166216407225 = 4339792^2 + 1079915^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000011010489 - 2²⁴ = 19999994233273 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000011010459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000005505244 + 10000005505245.

It is an arithmetic number, because the mean of its divisors is an integer number (10000005505245).

Almost surely, 2^{20000011010489} is an apocalyptic number.

It is an amenable number.

20000011010489 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000011010489 is an equidigital number, since it uses as much as digits as its factorization.

20000011010489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 20000011010489 in words is "twenty trillion, eleven million, ten thousand, four hundred eighty-nine".