20030089 has 2 divisors, whose sum is σ = 20030090. Its totient is φ = 20030088.

The previous prime is 20030081. The next prime is 20030107. The reversal of 20030089 is 98003002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 7884864 = 3485^2 + 2808^2 .

It is a cyclic number.

It is not a de Polignac number, because 20030089 - 2³ = 20030081 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20030081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015044 + 10015045.

It is an arithmetic number, because the mean of its divisors is an integer number (10015045).

Almost surely, 2^20030089 is an apocalyptic number.

It is an amenable number.

20030089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030089 is an equidigital number, since it uses as much as digits as its factorization.

20030089 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 22.

The square root of 20030089 is about 4475.4987431570. The cubic root of 20030089 is about 271.5778169723.

The spelling of 20030089 in words is "twenty million, thirty thousand, eighty-nine".