331000000212020 has 48 divisors (see below), whose sum is σ = 699725211897600. Its totient is φ = 131521164090624.

The previous prime is 331000000211981. The next prime is 331000000212061. The reversal of 331000000212020 is 20212000000133.

It is a happy number.

It is a super-2 number, since 2×331000000212020² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331000000211986 and 331000000212004.

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, 64939664 + ... + 69850983.

It is an arithmetic number, because the mean of its divisors is an integer number (14577608581200).

Almost surely, 2^{331000000212020} is an apocalyptic number.

It is an amenable number.

331000000212020 is an abundant number, since it is smaller than the sum of its proper divisors (368725211685580).

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

331000000212020 is a wasteful number, since it uses less digits than its factorization.

331000000212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134791472 (or 134791470 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 331000000212020 its reverse (20212000000133), we get a palindrome (351212000212153).

The spelling of 331000000212020 in words is "three hundred thirty-one trillion, two hundred twelve thousand, twenty".