331302113332020 has 72 divisors (see below), whose sum is σ = 1004959227428520. Its totient is φ = 88346396494080.

The previous prime is 331302113331737. The next prime is 331302113332051. The reversal of 331302113332020 is 20233311203133.

331302113332020 is a `hidden beast` number, since 3 + 3 + 1 + 302 + 1 + 1 + 3 + 332 + 0 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13284013036176 + 318018100295844 = 3644724^2 + 17833062^2 .

It is a super-2 number, since 2×331302113332020² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10560426 + ... + 27823134.

Almost surely, 2^{331302113332020} is an apocalyptic number.

331302113332020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331302113332020 is an abundant number, since it is smaller than the sum of its proper divisors (673657114096500).

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

331302113332020 is a wasteful number, since it uses less digits than its factorization.

331302113332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17369345 (or 17369340 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 331302113332020 its reverse (20233311203133), we get a palindrome (351535424535153).

The spelling of 331302113332020 in words is "three hundred thirty-one trillion, three hundred two billion, one hundred thirteen million, three hundred thirty-two thousand, twenty".