2321302232220 has 48 divisors (see below), whose sum is σ = 6515537874720. Its totient is φ = 617500440576.

The previous prime is 2321302232189. The next prime is 2321302232273. The reversal of 2321302232220 is 222322031232.

It is a super-2 number, since 2×2321302232220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47271757 + ... + 47320836.

It is an arithmetic number, because the mean of its divisors is an integer number (135740372390).

Almost surely, 2^{2321302232220} is an apocalyptic number.

2321302232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321302232220 is an abundant number, since it is smaller than the sum of its proper divisors (4194235642500).

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

2321302232220 is a wasteful number, since it uses less digits than its factorization.

2321302232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94593014 (or 94593012 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 2321302232220 its reverse (222322031232), we get a palindrome (2543624263452).

The spelling of 2321302232220 in words is "two trillion, three hundred twenty-one billion, three hundred two million, two hundred thirty-two thousand, two hundred twenty".