30160520 has 64 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 10771200.

The previous prime is 30160517. The next prime is 30160553. The reversal of 30160520 is 2506103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15185 + ... + 17055.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^30160520 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 30160520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37739520).

30160520 is an abundant number, since it is smaller than the sum of its proper divisors (45318520).

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

30160520 is a wasteful number, since it uses less digits than its factorization.

30160520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30160520 is about 5491.8594301020. The cubic root of 30160520 is about 311.2764572705.

Adding to 30160520 its reverse (2506103), we get a palindrome (32666623).

The spelling of 30160520 in words is "thirty million, one hundred sixty thousand, five hundred twenty".