120033311031020 has 48 divisors (see below), whose sum is σ = 254372983689888. Its totient is φ = 47574893614080.

The previous prime is 120033311030987. The next prime is 120033311031079. The reversal of 120033311031020 is 20130113330021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120033311030983 and 120033311031001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397655 + ... + 15499185.

It is an arithmetic number, because the mean of its divisors is an integer number (5299437160206).

Almost surely, 2^{120033311031020} is an apocalyptic number.

120033311031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120033311031020 is an abundant number, since it is smaller than the sum of its proper divisors (134339672658868).

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

120033311031020 is a wasteful number, since it uses less digits than its factorization.

120033311031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105170 (or 15105168 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 120033311031020 its reverse (20130113330021), we get a palindrome (140163424361041).

The spelling of 120033311031020 in words is "one hundred twenty trillion, thirty-three billion, three hundred eleven million, thirty-one thousand, twenty".