31333122200020 has 48 divisors (see below), whose sum is σ = 67925367207936. Its totient is φ = 12128371200000.

The previous prime is 31333122200011. The next prime is 31333122200027. The reversal of 31333122200020 is 2000222133313.

It is a junction number, because it is equal to n+sod(n) for n = 31333122199964 and 31333122200000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31333122200027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11898645 + ... + 14291395.

It is an arithmetic number, because the mean of its divisors is an integer number (1415111816832).

Almost surely, 2^{31333122200020} is an apocalyptic number.

It is an amenable number.

31333122200020 is an abundant number, since it is smaller than the sum of its proper divisors (36592245007916).

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

31333122200020 is a wasteful number, since it uses less digits than its factorization.

31333122200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413912 (or 2413910 counting only the distinct ones).

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

Adding to 31333122200020 its reverse (2000222133313), we get a palindrome (33333344333333).

The spelling of 31333122200020 in words is "thirty-one trillion, three hundred thirty-three billion, one hundred twenty-two million, two hundred thousand, twenty".