220303243320 has 256 divisors, whose sum is σ = 687304949760. Its totient is φ = 56453386752.

The previous prime is 220303243297. The next prime is 220303243333. The reversal of 220303243320 is 23342303022.

It is a happy number.

It is a super-2 number, since 2×220303243320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 86629969 + ... + 86632511.

It is an arithmetic number, because the mean of its divisors is an integer number (2684784960).

Almost surely, 2^220303243320 is an apocalyptic number.

220303243320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220303243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343652474880).

220303243320 is an abundant number, since it is smaller than the sum of its proper divisors (467001706440).

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

220303243320 is a wasteful number, since it uses less digits than its factorization.

220303243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 220303243320 its reverse (23342303022), we get a palindrome (243645546342).

The spelling of 220303243320 in words is "two hundred twenty billion, three hundred three million, two hundred forty-three thousand, three hundred twenty".