20324323597 has 2 divisors, whose sum is σ = 20324323598. Its totient is φ = 20324323596.

The previous prime is 20324323583. The next prime is 20324323673. The reversal of 20324323597 is 79532342302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11071037961 + 9253285636 = 105219^2 + 96194^2 .

It is a cyclic number.

It is not a de Polignac number, because 20324323597 - 2¹⁵ = 20324290829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20324321597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162161798 + 10162161799.

It is an arithmetic number, because the mean of its divisors is an integer number (10162161799).

Almost surely, 2^20324323597 is an apocalyptic number.

It is an amenable number.

20324323597 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324323597 is an equidigital number, since it uses as much as digits as its factorization.

20324323597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 40.

Adding to 20324323597 its reverse (79532342302), we get a palindrome (99856665899).

The spelling of 20324323597 in words is "twenty billion, three hundred twenty-four million, three hundred twenty-three thousand, five hundred ninety-seven".