30265120 has 96 divisors (see below), whose sum is σ = 75442752. Its totient is φ = 11461632.

The previous prime is 30265063. The next prime is 30265121. The reversal of 30265120 is 2156203.

It is a happy number.

It is a super-2 number, since 2×30265120² = 1831954977228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30265121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364599 + ... + 364681.

It is an arithmetic number, because the mean of its divisors is an integer number (785862).

Almost surely, 2^30265120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30265120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37721376).

30265120 is an abundant number, since it is smaller than the sum of its proper divisors (45177632).

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

30265120 is a wasteful number, since it uses less digits than its factorization.

30265120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30265120 is about 5501.3743737361. The cubic root of 30265120 is about 311.6358890684.

The spelling of 30265120 in words is "thirty million, two hundred sixty-five thousand, one hundred twenty".