2321004220 has 48 divisors (see below), whose sum is σ = 5185440288. Its totient is φ = 869621760.

The previous prime is 2321004209. The next prime is 2321004229. The reversal of 2321004220 is 224001232.

It is a junction number, because it is equal to n+sod(n) for n = 2321004194 and 2321004203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321004229) 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, 55564 + ... + 87916.

It is an arithmetic number, because the mean of its divisors is an integer number (108030006).

Almost surely, 2^2321004220 is an apocalyptic number.

2321004220 is a gapful number since it is divisible by the number (20) 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 2321004220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592720144).

2321004220 is an abundant number, since it is smaller than the sum of its proper divisors (2864436068).

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

2321004220 is a wasteful number, since it uses less digits than its factorization.

2321004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32590 (or 32588 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2321004220 is about 48176.8016788163. The cubic root of 2321004220 is about 1324.0121689082.

Adding to 2321004220 its reverse (224001232), we get a palindrome (2545005452).

The spelling of 2321004220 in words is "two billion, three hundred twenty-one million, four thousand, two hundred twenty".