30052120 has 64 divisors (see below), whose sum is σ = 79963200. Its totient is φ = 9945600.

The previous prime is 30052117. The next prime is 30052123. The reversal of 30052120 is 2125003.

It is an interprime number because it is at equal distance from previous prime (30052117) and next prime (30052123).

It is a self number, because there is not a number n which added to its sum of digits gives 30052120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30052123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6270 + ... + 9970.

It is an arithmetic number, because the mean of its divisors is an integer number (1249425).

Almost surely, 2^30052120 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 30052120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39981600).

30052120 is an abundant number, since it is smaller than the sum of its proper divisors (49911080).

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

30052120 is a wasteful number, since it uses less digits than its factorization.

30052120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748 (or 3744 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 30052120 is about 5481.9813936204. The cubic root of 30052120 is about 310.9030897756.

Adding to 30052120 its reverse (2125003), we get a palindrome (32177123).

The spelling of 30052120 in words is "thirty million, fifty-two thousand, one hundred twenty".