331302201320020 has 48 divisors (see below), whose sum is σ = 795126709117440. Its totient is φ = 113589122459904.

The previous prime is 331302201320011. The next prime is 331302201320063. The reversal of 331302201320020 is 20023102203133.

It is a super-2 number, since 2×331302201320020² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331302201319973 and 331302201320000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90659616 + ... + 94243144.

It is an arithmetic number, because the mean of its divisors is an integer number (16565139773280).

Almost surely, 2^{331302201320020} is an apocalyptic number.

It is an amenable number.

331302201320020 is an abundant number, since it is smaller than the sum of its proper divisors (463824507797420).

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

331302201320020 is a wasteful number, since it uses less digits than its factorization.

331302201320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243912 (or 4243910 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 331302201320020 its reverse (20023102203133), we get a palindrome (351325303523153).

The spelling of 331302201320020 in words is "three hundred thirty-one trillion, three hundred two billion, two hundred one million, three hundred twenty thousand, twenty".