20360089 has 2 divisors, whose sum is σ = 20360090. Its totient is φ = 20360088.

The previous prime is 20360069. The next prime is 20360143. The reversal of 20360089 is 98006302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20322064 + 38025 = 4508^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 20360089 - 2⁵ = 20360057 is a prime.

It is not a weakly prime, because it can be changed into another prime (20360029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10180044 + 10180045.

It is an arithmetic number, because the mean of its divisors is an integer number (10180045).

Almost surely, 2^20360089 is an apocalyptic number.

It is an amenable number.

20360089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20360089 is an equidigital number, since it uses as much as digits as its factorization.

20360089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20360089 is about 4512.2155311997. The cubic root of 20360089 is about 273.0611347654.

The spelling of 20360089 in words is "twenty million, three hundred sixty thousand, eighty-nine".