30120244 has 48 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 11115360.

The previous prime is 30120239. The next prime is 30120289. The reversal of 30120244 is 44202103.

It is a congruent number.

It is an unprimeable number.

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, 3279 + ... + 8425.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^30120244 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 30120244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34594560).

30120244 is an abundant number, since it is smaller than the sum of its proper divisors (39068876).

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

30120244 is a wasteful number, since it uses less digits than its factorization.

30120244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188 (or 5186 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30120244 is about 5488.1913231956. The cubic root of 30120244 is about 311.1378372543.

Adding to 30120244 its reverse (44202103), we get a palindrome (74322347).

The spelling of 30120244 in words is "thirty million, one hundred twenty thousand, two hundred forty-four".