30320120 has 16 divisors (see below), whose sum is σ = 68220360. Its totient is φ = 12128032.

The previous prime is 30320083. The next prime is 30320137. The reversal of 30320120 is 2102303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378962 + ... + 379041.

Almost surely, 2^30320120 is an apocalyptic number.

It is an amenable number.

30320120 is an abundant number, since it is smaller than the sum of its proper divisors (37900240).

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

30320120 is a wasteful number, since it uses less digits than its factorization.

30320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758014 (or 758010 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30320120 is about 5506.3708556544. The cubic root of 30320120 is about 311.8245507103.

Adding to 30320120 its reverse (2102303), we get a palindrome (32422423).

The spelling of 30320120 in words is "thirty million, three hundred twenty thousand, one hundred twenty".