20010011089 has 2 divisors, whose sum is σ = 20010011090. Its totient is φ = 20010011088.

The previous prime is 20010011059. The next prime is 20010011111. The reversal of 20010011089 is 98011001002.

It is an a-pointer prime, because the next prime (20010011111) can be obtained adding 20010011089 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19204416400 + 805594689 = 138580^2 + 28383^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010011089 - 2⁷ = 20010010961 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010011059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005005544 + 10005005545.

It is an arithmetic number, because the mean of its divisors is an integer number (10005005545).

Almost surely, 2^20010011089 is an apocalyptic number.

It is an amenable number.

20010011089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010011089 is an equidigital number, since it uses as much as digits as its factorization.

20010011089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 20010011089 in words is "twenty billion, ten million, eleven thousand, eighty-nine".