2031123122020 has 12 divisors (see below), whose sum is σ = 4265358556284. Its totient is φ = 812449248800.

The previous prime is 2031123122009. The next prime is 2031123122033. The reversal of 2031123122020 is 202213211302.

It can be written as a sum of positive squares in 2 ways, for example, as 362577396736 + 1668545725284 = 602144^2 + 1291722^2 .

It is a super-2 number, since 2×2031123122020² (a number of 25 digits) contains 22 as substring.

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, 50778078031 + ... + 50778078070.

It is an arithmetic number, because the mean of its divisors is an integer number (355446546357).

Almost surely, 2^{2031123122020} is an apocalyptic number.

2031123122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031123122020 is an abundant number, since it is smaller than the sum of its proper divisors (2234235434264).

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

2031123122020 is a wasteful number, since it uses less digits than its factorization.

2031123122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101556156110 (or 101556156108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2031123122020 its reverse (202213211302), we get a palindrome (2233336333322).

The spelling of 2031123122020 in words is "two trillion, thirty-one billion, one hundred twenty-three million, one hundred twenty-two thousand, twenty".