2220321320 has 64 divisors (see below), whose sum is σ = 5825952000. Its totient is φ = 761248320.

The previous prime is 2220321283. The next prime is 2220321373. The reversal of 2220321320 is 231230222.

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 15 ways as a sum of consecutive naturals, for example, 67196 + ... + 94635.

It is an arithmetic number, because the mean of its divisors is an integer number (91030500).

Almost surely, 2^2220321320 is an apocalyptic number.

2220321320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220321320 is an abundant number, since it is smaller than the sum of its proper divisors (3605630680).

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

2220321320 is a wasteful number, since it uses less digits than its factorization.

2220321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161863 (or 161845 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2220321320 is about 47120.2856527844. The cubic root of 2220321320 is about 1304.5836852135.

Adding to 2220321320 its reverse (231230222), we get a palindrome (2451551542).

The spelling of 2220321320 in words is "two billion, two hundred twenty million, three hundred twenty-one thousand, three hundred twenty".