220322330320 has 40 divisors (see below), whose sum is σ = 513169179624. Its totient is φ = 87970693632.

The previous prime is 220322330287. The next prime is 220322330321. The reversal of 220322330320 is 23033223022.

It can be written as a sum of positive squares in 4 ways, for example, as 6401280064 + 213921050256 = 80008^2 + 462516^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 220322330291 and 220322330300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220322330321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427639 + ... + 2516758.

Almost surely, 2^220322330320 is an apocalyptic number.

220322330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220322330320 is an abundant number, since it is smaller than the sum of its proper divisors (292846849304).

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

220322330320 is a wasteful number, since it uses less digits than its factorization.

220322330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944967 (or 4944961 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 220322330320 its reverse (23033223022), we get a palindrome (243355553342).

The spelling of 220322330320 in words is "two hundred twenty billion, three hundred twenty-two million, three hundred thirty thousand, three hundred twenty".