30244520 has 32 divisors (see below), whose sum is σ = 68277600. Its totient is φ = 12057408.

The previous prime is 30244519. The next prime is 30244541. The reversal of 30244520 is 2544203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30244492 and 30244501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12791 + ... + 14969.

It is an arithmetic number, because the mean of its divisors is an integer number (2133675).

Almost surely, 2^30244520 is an apocalyptic number.

It is an amenable number.

30244520 is an abundant number, since it is smaller than the sum of its proper divisors (38033080).

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

30244520 is a wasteful number, since it uses less digits than its factorization.

30244520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30244520 is about 5499.5017956175. The cubic root of 30244520 is about 311.5651678730.

Adding to 30244520 its reverse (2544203), we get a palindrome (32788723).

The spelling of 30244520 in words is "thirty million, two hundred forty-four thousand, five hundred twenty".