331110101322020 has 12 divisors (see below), whose sum is σ = 695331212776284. Its totient is φ = 132444040528800.

The previous prime is 331110101321941. The next prime is 331110101322073. The reversal of 331110101322020 is 20223101011133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111719023157284 + 219391078164736 = 10569722^2 + 14811856^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 16555505066101 = 331110101322020 / (3 + 3 + 1 + 1 + 1 + 0 + 1 + 0 + 1 + 3 + 2 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 331110101321983 and 331110101322001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8277752533031 + ... + 8277752533070.

It is an arithmetic number, because the mean of its divisors is an integer number (57944267731357).

Almost surely, 2^{331110101322020} is an apocalyptic number.

It is an amenable number.

331110101322020 is an abundant number, since it is smaller than the sum of its proper divisors (364221111454264).

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

331110101322020 is a wasteful number, since it uses less digits than its factorization.

331110101322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16555505066110 (or 16555505066108 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 331110101322020 its reverse (20223101011133), we get a palindrome (351333202333153).

The spelling of 331110101322020 in words is "three hundred thirty-one trillion, one hundred ten billion, one hundred one million, three hundred twenty-two thousand, twenty".