20030100989 has 2 divisors, whose sum is σ = 20030100990. Its totient is φ = 20030100988.

The previous prime is 20030100953. The next prime is 20030100991. The reversal of 20030100989 is 98900103002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11958516025 + 8071584964 = 109355^2 + 89842^2 .

It is a cyclic number.

It is not a de Polignac number, because 20030100989 - 2⁸ = 20030100733 is a prime.

Together with 20030100991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20030100929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015050494 + 10015050495.

It is an arithmetic number, because the mean of its divisors is an integer number (10015050495).

Almost surely, 2^20030100989 is an apocalyptic number.

It is an amenable number.

20030100989 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030100989 is an equidigital number, since it uses as much as digits as its factorization.

20030100989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 20030100989 in words is "twenty billion, thirty million, one hundred thousand, nine hundred eighty-nine".