20332320032 has 12 divisors (see below), whose sum is σ = 40029255126. Its totient is φ = 10166160000.

The previous prime is 20332320017. The next prime is 20332320049. The reversal of 20332320032 is 23002323302.

It can be written as a sum of positive squares in only one way, i.e., 12224398096 + 8107921936 = 110564^2 + 90044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20332319986 and 20332320013.

It is an unprimeable number.

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, 317692469 + ... + 317692532.

Almost surely, 2^20332320032 is an apocalyptic number.

It is an amenable number.

20332320032 is a deficient number, since it is larger than the sum of its proper divisors (19696935094).

20332320032 is an equidigital number, since it uses as much as digits as its factorization.

20332320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635385011 (or 635385003 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20332320032 its reverse (23002323302), we get a palindrome (43334643334).

The spelling of 20332320032 in words is "twenty billion, three hundred thirty-two million, three hundred twenty thousand, thirty-two".