2321232312220 has 48 divisors (see below), whose sum is σ = 4879795027968. Its totient is φ = 927501422400.

The previous prime is 2321232312131. The next prime is 2321232312221. The reversal of 2321232312220 is 222132321232.

2321232312220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2321232312220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321232312221) 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, 225291589 + ... + 225301891.

It is an arithmetic number, because the mean of its divisors is an integer number (101662396416).

Almost surely, 2^{2321232312220} is an apocalyptic number.

2321232312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321232312220 is an abundant number, since it is smaller than the sum of its proper divisors (2558562715748).

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

2321232312220 is a wasteful number, since it uses less digits than its factorization.

2321232312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21250 (or 21248 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2321232312220 its reverse (222132321232), we get a palindrome (2543364633452).

The spelling of 2321232312220 in words is "two trillion, three hundred twenty-one billion, two hundred thirty-two million, three hundred twelve thousand, two hundred twenty".