20324325173 has 2 divisors, whose sum is σ = 20324325174. Its totient is φ = 20324325172.

The previous prime is 20324325097. The next prime is 20324325187. The reversal of 20324325173 is 37152342302.

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., 19023857329 + 1300467844 = 137927^2 + 36062^2 .

It is a cyclic number.

It is not a de Polignac number, because 20324325173 - 2¹⁸ = 20324063029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20324325193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162162586 + 10162162587.

It is an arithmetic number, because the mean of its divisors is an integer number (10162162587).

Almost surely, 2^20324325173 is an apocalyptic number.

It is an amenable number.

20324325173 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324325173 is an equidigital number, since it uses as much as digits as its factorization.

20324325173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

Adding to 20324325173 its reverse (37152342302), we get a palindrome (57476667475).

The spelling of 20324325173 in words is "twenty billion, three hundred twenty-four million, three hundred twenty-five thousand, one hundred seventy-three".