30302343220 has 12 divisors (see below), whose sum is σ = 63634920804. Its totient is φ = 12120937280.

The previous prime is 30302343199. The next prime is 30302343293. The reversal of 30302343220 is 2234320303.

It can be written as a sum of positive squares in 2 ways, for example, as 23359454244 + 6942888976 = 152838^2 + 83324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30302343191 and 30302343200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757558561 + ... + 757558600.

It is an arithmetic number, because the mean of its divisors is an integer number (5302910067).

Almost surely, 2^30302343220 is an apocalyptic number.

It is an amenable number.

30302343220 is an abundant number, since it is smaller than the sum of its proper divisors (33332577584).

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

30302343220 is a wasteful number, since it uses less digits than its factorization.

30302343220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515117170 (or 1515117168 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 30302343220 its reverse (2234320303), we get a palindrome (32536663523).

The spelling of 30302343220 in words is "thirty billion, three hundred two million, three hundred forty-three thousand, two hundred twenty".