20001113089 has 2 divisors, whose sum is σ = 20001113090. Its totient is φ = 20001113088.

The previous prime is 20001113063. The next prime is 20001113147. The reversal of 20001113089 is 98031110002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10101858064 + 9899255025 = 100508^2 + 99495^2 .

It is a cyclic number.

It is not a de Polignac number, because 20001113089 - 2¹⁹ = 20000588801 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001143089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000556544 + 10000556545.

It is an arithmetic number, because the mean of its divisors is an integer number (10000556545).

Almost surely, 2^20001113089 is an apocalyptic number.

It is an amenable number.

20001113089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001113089 is an equidigital number, since it uses as much as digits as its factorization.

20001113089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 20001113089 in words is "twenty billion, one million, one hundred thirteen thousand, eighty-nine".