33120333020 has 12 divisors (see below), whose sum is σ = 69552699384. Its totient is φ = 13248133200.

The previous prime is 33120333007. The next prime is 33120333023. The reversal of 33120333020 is 2033302133.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1656016651 = 33120333020 / (3 + 3 + 1 + 2 + 0 + 3 + 3 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 33120332983 and 33120333001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120333023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828008306 + ... + 828008345.

It is an arithmetic number, because the mean of its divisors is an integer number (5796058282).

Almost surely, 2^33120333020 is an apocalyptic number.

It is an amenable number.

33120333020 is an abundant number, since it is smaller than the sum of its proper divisors (36432366364).

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

33120333020 is a wasteful number, since it uses less digits than its factorization.

33120333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656016660 (or 1656016658 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 33120333020 its reverse (2033302133), we get a palindrome (35153635153).

The spelling of 33120333020 in words is "thirty-three billion, one hundred twenty million, three hundred thirty-three thousand, twenty".