20320003020331 has 8 divisors (see below), whose sum is σ = 23223089088000. Its totient is φ = 17416974076008.

The previous prime is 20320003020319. The next prime is 20320003020337. The reversal of 20320003020331 is 13302030002302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20320003020331 - 2⁵ = 20320003020299 is a prime.

It is a super-2 number, since 2×20320003020331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20320003020299 and 20320003020308.

It is not an unprimeable number, because it can be changed into a prime (20320003020337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13515841 + ... + 14943826.

It is an arithmetic number, because the mean of its divisors is an integer number (2902886136000).

Almost surely, 2^{20320003020331} is an apocalyptic number.

20320003020331 is a deficient number, since it is larger than the sum of its proper divisors (2903086067669).

20320003020331 is a wasteful number, since it uses less digits than its factorization.

20320003020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28561673.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20320003020331 its reverse (13302030002302), we get a palindrome (33622033022633).

The spelling of 20320003020331 in words is "twenty trillion, three hundred twenty billion, three million, twenty thousand, three hundred thirty-one".