33130120 has 32 divisors (see below), whose sum is σ = 77785920. Its totient is φ = 12675520.

The previous prime is 33130099. The next prime is 33130157. The reversal of 33130120 is 2103133.

It is a self number, because there is not a number n which added to its sum of digits gives 33130120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17086 + ... + 18925.

It is an arithmetic number, because the mean of its divisors is an integer number (2430810).

Almost surely, 2^33130120 is an apocalyptic number.

It is an amenable number.

33130120 is an abundant number, since it is smaller than the sum of its proper divisors (44655800).

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

33130120 is a wasteful number, since it uses less digits than its factorization.

33130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36045 (or 36041 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 33130120 is about 5755.8769966010. The cubic root of 33130120 is about 321.1744602778.

Adding to 33130120 its reverse (2103133), we get a palindrome (35233253).

The spelling of 33130120 in words is "thirty-three million, one hundred thirty thousand, one hundred twenty".