331020222023020 has 192 divisors, whose sum is σ = 775492669163520. Its totient is φ = 117950673788928.

The previous prime is 331020222022979. The next prime is 331020222023087. The reversal of 331020222023020 is 20320222020133.

It is a junction number, because it is equal to n+sod(n) for n = 331020222022982 and 331020222023000.

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, 46058187867 + ... + 46058195053.

It is an arithmetic number, because the mean of its divisors is an integer number (4039024318560).

Almost surely, 2^{331020222023020} 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 331020222023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387746334581760).

331020222023020 is an abundant number, since it is smaller than the sum of its proper divisors (444472447140500).

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

331020222023020 is a wasteful number, since it uses less digits than its factorization.

331020222023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872 (or 12870 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 331020222023020 its reverse (20320222020133), we get a palindrome (351340444043153).

The spelling of 331020222023020 in words is "three hundred thirty-one trillion, twenty billion, two hundred twenty-two million, twenty-three thousand, twenty".