20300089 has 2 divisors, whose sum is σ = 20300090. Its totient is φ = 20300088.

The previous prime is 20300083. The next prime is 20300101. The reversal of 20300089 is 98000302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19316025 + 984064 = 4395^2 + 992^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300089 - 2³ = 20300081 is a prime.

It is a super-2 number, since 2×20300089² = 824187226815842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20300081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150044 + 10150045.

It is an arithmetic number, because the mean of its divisors is an integer number (10150045).

Almost surely, 2^20300089 is an apocalyptic number.

It is an amenable number.

20300089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300089 is an equidigital number, since it uses as much as digits as its factorization.

20300089 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 20300089 is about 4505.5620071196. The cubic root of 20300089 is about 272.7926390761.

The spelling of 20300089 in words is "twenty million, three hundred thousand, eighty-nine".