20324330523 has 12 divisors (see below), whose sum is σ = 33551275888. Its totient is φ = 11613903120.

The previous prime is 20324330447. The next prime is 20324330527. The reversal of 20324330523 is 32503342302.

20324330523 is a `hidden beast` number, since 2 + 0 + 324 + 330 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 20324330523 - 2⁹ = 20324330011 is a prime.

It is a super-2 number, since 2×20324330523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20324330527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161304148 + ... + 161304273.

Almost surely, 2^20324330523 is an apocalyptic number.

20324330523 is a deficient number, since it is larger than the sum of its proper divisors (13226945365).

20324330523 is a wasteful number, since it uses less digits than its factorization.

20324330523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322608434 (or 322608431 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

Adding to 20324330523 its reverse (32503342302), we get a palindrome (52827672825).

The spelling of 20324330523 in words is "twenty billion, three hundred twenty-four million, three hundred thirty thousand, five hundred twenty-three".