331123320222020 has 192 divisors, whose sum is σ = 750534713913600. Its totient is φ = 122332805038080.

The previous prime is 331123320222011. The next prime is 331123320222043. The reversal of 331123320222020 is 20222023321133.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1382319860 + ... + 1382559380.

It is an arithmetic number, because the mean of its divisors is an integer number (3909034968300).

Almost surely, 2^{331123320222020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331123320222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375267356956800).

331123320222020 is an abundant number, since it is smaller than the sum of its proper divisors (419411393691580).

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

331123320222020 is a wasteful number, since it uses less digits than its factorization.

331123320222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240118 (or 240116 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 331123320222020 its reverse (20222023321133), we get a palindrome (351345343543153).

The spelling of 331123320222020 in words is "three hundred thirty-one trillion, one hundred twenty-three billion, three hundred twenty million, two hundred twenty-two thousand, twenty".