220200320320 has 56 divisors (see below), whose sum is σ = 537141118248. Its totient is φ = 85931827200.

The previous prime is 220200320311. The next prime is 220200320339. The reversal of 220200320320 is 23023002022.

It can be written as a sum of positive squares in 4 ways, for example, as 674337024 + 219525983296 = 25968^2 + 468536^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 220200320294 and 220200320303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8378661 + ... + 8404900.

It is an arithmetic number, because the mean of its divisors is an integer number (9591805683).

Almost surely, 2^220200320320 is an apocalyptic number.

220200320320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220200320320 is an abundant number, since it is smaller than the sum of its proper divisors (316940797928).

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

220200320320 is a wasteful number, since it uses less digits than its factorization.

220200320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16783619 (or 16783609 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 220200320320 its reverse (23023002022), we get a palindrome (243223322342).

The spelling of 220200320320 in words is "two hundred twenty billion, two hundred million, three hundred twenty thousand, three hundred twenty".