20320331233323 has 24 divisors (see below), whose sum is σ = 30087779131984. Its totient is φ = 12188389847040.

The previous prime is 20320331233183. The next prime is 20320331233343. The reversal of 20320331233323 is 32333213302302.

It is not a de Polignac number, because 20320331233323 - 2⁹ = 20320331232811 is a prime.

It is a super-2 number, since 2×20320331233323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20320331233343) 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, 288515686 + ... + 288586107.

Almost surely, 2^{20320331233323} is an apocalyptic number.

20320331233323 is a deficient number, since it is larger than the sum of its proper divisors (9767447898661).

20320331233323 is a wasteful number, since it uses less digits than its factorization.

20320331233323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577101915 (or 577101904 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 30.

Adding to 20320331233323 its reverse (32333213302302), we get a palindrome (52653544535625).

The spelling of 20320331233323 in words is "twenty trillion, three hundred twenty billion, three hundred thirty-one million, two hundred thirty-three thousand, three hundred twenty-three".