2312322333220 has 24 divisors (see below), whose sum is σ = 4855906561464. Its totient is φ = 924923283456.

The previous prime is 2312322333203. The next prime is 2312322333221. The reversal of 2312322333220 is 223332232132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 209514921984 + 2102807411236 = 457728^2 + 1450106^2 .

It is not an unprimeable number, because it can be changed into a prime (2312322333221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4932954 + ... + 5381326.

It is an arithmetic number, because the mean of its divisors is an integer number (202329440061).

Almost surely, 2^{2312322333220} is an apocalyptic number.

2312322333220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312322333220 is an abundant number, since it is smaller than the sum of its proper divisors (2543584228244).

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

2312322333220 is a wasteful number, since it uses less digits than its factorization.

2312322333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706239 (or 706237 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 2312322333220 its reverse (223332232132), we get a palindrome (2535654565352).

The spelling of 2312322333220 in words is "two trillion, three hundred twelve billion, three hundred twenty-two million, three hundred thirty-three thousand, two hundred twenty".