1323302220220 has 96 divisors (see below), whose sum is σ = 2950587150336. Its totient is φ = 497450553600.

The previous prime is 1323302220217. The next prime is 1323302220271. The reversal of 1323302220220 is 220222033231.

It is a super-2 number, since 2×1323302220220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323302220191 and 1323302220200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25536777 + ... + 25588543.

It is an arithmetic number, because the mean of its divisors is an integer number (30735282816).

Almost surely, 2^{1323302220220} is an apocalyptic number.

1323302220220 is a gapful number since it is divisible by the number (10) 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 1323302220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475293575168).

1323302220220 is an abundant number, since it is smaller than the sum of its proper divisors (1627284930116).

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

1323302220220 is a wasteful number, since it uses less digits than its factorization.

1323302220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52771 (or 52769 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 1323302220220 its reverse (220222033231), we get a palindrome (1543524253451).

The spelling of 1323302220220 in words is "one trillion, three hundred twenty-three billion, three hundred two million, two hundred twenty thousand, two hundred twenty".