304230033220 has 24 divisors (see below), whose sum is σ = 646061535000. Its totient is φ = 120324686592.

The previous prime is 304230033143. The next prime is 304230033251. The reversal of 304230033220 is 22330032403.

It can be written as a sum of positive squares in 4 ways, for example, as 28411799364 + 275818233856 = 168558^2 + 525184^2 .

It is a super-2 number, since 2×304230033220² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304230033191 and 304230033200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85456095 + ... + 85459654.

It is an arithmetic number, because the mean of its divisors is an integer number (26919230625).

Almost surely, 2^304230033220 is an apocalyptic number.

It is an amenable number.

304230033220 is an abundant number, since it is smaller than the sum of its proper divisors (341831501780).

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

304230033220 is a wasteful number, since it uses less digits than its factorization.

304230033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170915847 (or 170915845 counting only the distinct ones).

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

Adding to 304230033220 its reverse (22330032403), we get a palindrome (326560065623).

The spelling of 304230033220 in words is "three hundred four billion, two hundred thirty million, thirty-three thousand, two hundred twenty".