30013303220 has 96 divisors (see below), whose sum is σ = 65327599008. Its totient is φ = 11576328192.

The previous prime is 30013303207. The next prime is 30013303231. The reversal of 30013303220 is 2230331003.

It can be written as a sum of positive squares in 16 ways, for example, as 38613796 + 29974689424 = 6214^2 + 173132^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30719372 + ... + 30720348.

It is an arithmetic number, because the mean of its divisors is an integer number (680495823).

Almost surely, 2^30013303220 is an apocalyptic number.

It is an amenable number.

30013303220 is an abundant number, since it is smaller than the sum of its proper divisors (35314295788).

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

30013303220 is a wasteful number, since it uses less digits than its factorization.

30013303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 30013303220 its reverse (2230331003), we get a palindrome (32243634223).

The spelling of 30013303220 in words is "thirty billion, thirteen million, three hundred three thousand, two hundred twenty".