20324113 has 2 divisors, whose sum is σ = 20324114. Its totient is φ = 20324112.

The previous prime is 20324089. The next prime is 20324123. The reversal of 20324113 is 31142302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16875664 + 3448449 = 4108^2 + 1857^2 .

It is a cyclic number.

It is not a de Polignac number, because 20324113 - 2⁵ = 20324081 is a prime.

It is not a weakly prime, because it can be changed into another prime (20324123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162056 + 10162057.

It is an arithmetic number, because the mean of its divisors is an integer number (10162057).

Almost surely, 2^20324113 is an apocalyptic number.

It is an amenable number.

20324113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324113 is an equidigital number, since it uses as much as digits as its factorization.

20324113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20324113 is about 4508.2272569160. The cubic root of 20324113 is about 272.9002081743.

Adding to 20324113 its reverse (31142302), we get a palindrome (51466415).

The spelling of 20324113 in words is "twenty million, three hundred twenty-four thousand, one hundred thirteen".