20320333332 has 72 divisors (see below), whose sum is σ = 53890383456. Its totient is φ = 5923319616.

The previous prime is 20320333309. The next prime is 20320333357. The reversal of 20320333332 is 23333302302.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 124098 + ... + 236729.

It is an arithmetic number, because the mean of its divisors is an integer number (748477548).

Almost surely, 2^20320333332 is an apocalyptic number.

It is an amenable number.

20320333332 is an abundant number, since it is smaller than the sum of its proper divisors (33570050124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20320333332 is a wasteful number, since it uses less digits than its factorization.

20320333332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360885 (or 360864 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 24.

Adding to 20320333332 its reverse (23333302302), we get a palindrome (43653635634).

The spelling of 20320333332 in words is "twenty billion, three hundred twenty million, three hundred thirty-three thousand, three hundred thirty-two".