2321020232220 has 96 divisors (see below), whose sum is σ = 6834813124608. Its totient is φ = 587366664192.

The previous prime is 2321020232213. The next prime is 2321020232221. The reversal of 2321020232220 is 222320201232.

It is a super-2 number, since 2×2321020232220² (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 (2321020232221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6446389 + ... + 6796908.

It is an arithmetic number, because the mean of its divisors is an integer number (71195970048).

Almost surely, 2^{2321020232220} is an apocalyptic number.

2321020232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321020232220 is an abundant number, since it is smaller than the sum of its proper divisors (4513792892388).

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

2321020232220 is a wasteful number, since it uses less digits than its factorization.

2321020232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13243459 (or 13243457 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2321020232220 its reverse (222320201232), we get a palindrome (2543340433452).

The spelling of 2321020232220 in words is "two trillion, three hundred twenty-one billion, twenty million, two hundred thirty-two thousand, two hundred twenty".