20332233310321 has 24 divisors (see below), whose sum is σ = 21642465936896. Its totient is φ = 19095783981120.

The previous prime is 20332233310307. The next prime is 20332233310379. The reversal of 20332233310321 is 12301333223302.

It is a de Polignac number, because none of the positive numbers 2^k-20332233310321 is a prime.

It is a super-2 number, since 2×20332233310321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20332233310321.

It is not an unprimeable number, because it can be changed into a prime (20332233310381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7431076 + ... + 9792106.

Almost surely, 2^{20332233310321} is an apocalyptic number.

It is an amenable number.

20332233310321 is a deficient number, since it is larger than the sum of its proper divisors (1310232626575).

20332233310321 is a wasteful number, since it uses less digits than its factorization.

20332233310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361373 (or 2361350 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20332233310321 its reverse (12301333223302), we get a palindrome (32633566533623).

The spelling of 20332233310321 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-three million, three hundred ten thousand, three hundred twenty-one".