220323313222352 has 80 divisors (see below), whose sum is σ = 453072052782720. Its totient is φ = 103500011520000.

The previous prime is 220323313222351. The next prime is 220323313222357. The reversal of 220323313222352 is 253222313323022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220323313222351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23595248 + ... + 31581360.

It is an arithmetic number, because the mean of its divisors is an integer number (5663400659784).

Almost surely, 2^{220323313222352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220323313222352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226536026391360).

220323313222352 is an abundant number, since it is smaller than the sum of its proper divisors (232748739560368).

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

220323313222352 is a wasteful number, since it uses less digits than its factorization.

220323313222352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986892 (or 7986886 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 220323313222352 its reverse (253222313323022), we get a palindrome (473545626545374).

The spelling of 220323313222352 in words is "two hundred twenty trillion, three hundred twenty-three billion, three hundred thirteen million, two hundred twenty-two thousand, three hundred fifty-two".