220321020320 has 48 divisors (see below), whose sum is σ = 520615081728. Its totient is φ = 88110347520.

The previous prime is 220321020313. The next prime is 220321020379. The reversal of 220321020320 is 23020123022.

220321020320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 656105 + ... + 933335.

It is an arithmetic number, because the mean of its divisors is an integer number (10846147536).

Almost surely, 2^220321020320 is an apocalyptic number.

220321020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220321020320 is an abundant number, since it is smaller than the sum of its proper divisors (300294061408).

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

220321020320 is a wasteful number, since it uses less digits than its factorization.

220321020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282213 (or 282205 counting only the distinct ones).

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

Adding to 220321020320 its reverse (23020123022), we get a palindrome (243341143342).

The spelling of 220321020320 in words is "two hundred twenty billion, three hundred twenty-one million, twenty thousand, three hundred twenty".