20302010189 has 2 divisors, whose sum is σ = 20302010190. Its totient is φ = 20302010188.

The previous prime is 20302010171. The next prime is 20302010213. The reversal of 20302010189 is 98101020302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17247568900 + 3054441289 = 131330^2 + 55267^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302010189 - 2²⁸ = 20033574733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302010119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151005094 + 10151005095.

It is an arithmetic number, because the mean of its divisors is an integer number (10151005095).

Almost surely, 2^20302010189 is an apocalyptic number.

It is an amenable number.

20302010189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302010189 is an equidigital number, since it uses as much as digits as its factorization.

20302010189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 20302010189 in words is "twenty billion, three hundred two million, ten thousand, one hundred eighty-nine".