30305204424520 has 32 divisors (see below), whose sum is σ = 68235449688000. Its totient is φ = 12113416928448.

The previous prime is 30305204424503. The next prime is 30305204424527. The reversal of 30305204424520 is 2542440250303.

It is not an unprimeable number, because it can be changed into a prime (30305204424527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270719634 + ... + 270831553.

It is an arithmetic number, because the mean of its divisors is an integer number (2132357802750).

Almost surely, 2^{30305204424520} is an apocalyptic number.

It is an amenable number.

30305204424520 is an abundant number, since it is smaller than the sum of its proper divisors (37930245263480).

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

30305204424520 is a wasteful number, since it uses less digits than its factorization.

30305204424520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541552597 (or 541552593 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 30305204424520 its reverse (2542440250303), we get a palindrome (32847644674823).

The spelling of 30305204424520 in words is "thirty trillion, three hundred five billion, two hundred four million, four hundred twenty-four thousand, five hundred twenty".