2131332222020 has 12 divisors (see below), whose sum is σ = 4475797666284. Its totient is φ = 852532888800.

The previous prime is 2131332222017. The next prime is 2131332222031. The reversal of 2131332222020 is 202222331312.

It can be written as a sum of positive squares in 2 ways, for example, as 900794606404 + 1230537615616 = 949102^2 + 1109296^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53283305531 + ... + 53283305570.

It is an arithmetic number, because the mean of its divisors is an integer number (372983138857).

Almost surely, 2^{2131332222020} is an apocalyptic number.

2131332222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131332222020 is an abundant number, since it is smaller than the sum of its proper divisors (2344465444264).

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

2131332222020 is a wasteful number, since it uses less digits than its factorization.

2131332222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106566611110 (or 106566611108 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2131332222020 its reverse (202222331312), we get a palindrome (2333554553332).

The spelling of 2131332222020 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-two million, two hundred twenty-two thousand, twenty".