20325163 has 2 divisors, whose sum is σ = 20325164. Its totient is φ = 20325162.

The previous prime is 20325161. The next prime is 20325167. The reversal of 20325163 is 36152302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20325163 - 2¹ = 20325161 is a prime.

It is a super-2 number, since 2×20325163² = 826224501953138, which contains 22 as substring.

Together with 20325161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20325161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162581 + 10162582.

It is an arithmetic number, because the mean of its divisors is an integer number (10162582).

Almost surely, 2^20325163 is an apocalyptic number.

20325163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20325163 is an equidigital number, since it uses as much as digits as its factorization.

20325163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 20325163 is about 4508.3437091686. The cubic root of 20325163 is about 272.9049076870.

Adding to 20325163 its reverse (36152302), we get a palindrome (56477465).

The spelling of 20325163 in words is "twenty million, three hundred twenty-five thousand, one hundred sixty-three".