20320030020331 has 2 divisors, whose sum is σ = 20320030020332. Its totient is φ = 20320030020330.

The previous prime is 20320030020293. The next prime is 20320030020349. The reversal of 20320030020331 is 13302003002302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20320030020331 - 2¹¹ = 20320030018283 is a prime.

It is a super-2 number, since 2×20320030020331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20320030020299 and 20320030020308.

It is not a weakly prime, because it can be changed into another prime (20320030020131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160015010165 + 10160015010166.

It is an arithmetic number, because the mean of its divisors is an integer number (10160015010166).

Almost surely, 2^{20320030020331} is an apocalyptic number.

20320030020331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320030020331 is an equidigital number, since it uses as much as digits as its factorization.

20320030020331 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20320030020331 its reverse (13302003002302), we get a palindrome (33622033022633).

The spelling of 20320030020331 in words is "twenty trillion, three hundred twenty billion, thirty million, twenty thousand, three hundred thirty-one".