30033120 has 96 divisors (see below), whose sum is σ = 101902752. Its totient is φ = 7391232.

The previous prime is 30033119. The next prime is 30033131. The reversal of 30033120 is 2133003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30033096 and 30033105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3834 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (1061487).

Almost surely, 2^30033120 is an apocalyptic number.

30033120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30033120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50951376).

30033120 is an abundant number, since it is smaller than the sum of its proper divisors (71869632).

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

30033120 is a wasteful number, since it uses less digits than its factorization.

30033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30033120 is about 5480.2481695631. The cubic root of 30033120 is about 310.8375546980.

Adding to 30033120 its reverse (2133003), we get a palindrome (32166123).

The spelling of 30033120 in words is "thirty million, thirty-three thousand, one hundred twenty".