20324456324 has 24 divisors (see below), whose sum is σ = 36297856728. Its totient is φ = 9954264320.

The previous prime is 20324456311. The next prime is 20324456329. The reversal of 20324456324 is 42365442302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4093696324 + 16230760000 = 63982^2 + 127400^2 .

It is not an unprimeable number, because it can be changed into a prime (20324456329) 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 7 ways as a sum of consecutive naturals, for example, 53114 + ... + 208494.

It is an arithmetic number, because the mean of its divisors is an integer number (1512410697).

Almost surely, 2^20324456324 is an apocalyptic number.

It is an amenable number.

20324456324 is a deficient number, since it is larger than the sum of its proper divisors (15973400404).

20324456324 is a wasteful number, since it uses less digits than its factorization.

20324456324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156055 (or 156053 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 20324456324 its reverse (42365442302), we get a palindrome (62689898626).

The spelling of 20324456324 in words is "twenty billion, three hundred twenty-four million, four hundred fifty-six thousand, three hundred twenty-four".