7320305220 has 48 divisors (see below), whose sum is σ = 21388026240. Its totient is φ = 1867207936.

The previous prime is 7320305203. The next prime is 7320305231. The reversal of 7320305220 is 225030237.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2650905 + ... + 2653664.

It is an arithmetic number, because the mean of its divisors is an integer number (445583880).

Almost surely, 2^7320305220 is an apocalyptic number.

It is an amenable number.

7320305220 is an abundant number, since it is smaller than the sum of its proper divisors (14067721020).

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

7320305220 is a wasteful number, since it uses less digits than its factorization.

7320305220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304604 (or 5304602 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 7320305220 is about 85558.7822493986. The cubic root of 7320305220 is about 1941.6743631083.

Adding to 7320305220 its reverse (225030237), we get a palindrome (7545335457).

The spelling of 7320305220 in words is "seven billion, three hundred twenty million, three hundred five thousand, two hundred twenty".