2343220220 has 96 divisors (see below), whose sum is σ = 5896558080. Its totient is φ = 772104960.

The previous prime is 2343220207. The next prime is 2343220237. The reversal of 2343220220 is 220223432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2343220192 and 2343220201.

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 31 ways as a sum of consecutive naturals, for example, 83954 + ... + 108326.

It is an arithmetic number, because the mean of its divisors is an integer number (61422480).

Almost surely, 2^2343220220 is an apocalyptic number.

2343220220 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 2343220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948279040).

2343220220 is an abundant number, since it is smaller than the sum of its proper divisors (3553337860).

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

2343220220 is a wasteful number, since it uses less digits than its factorization.

2343220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24435 (or 24433 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2343220220 is about 48406.8199740491. The cubic root of 2343220220 is about 1328.2231194462.

Adding to 2343220220 its reverse (220223432), we get a palindrome (2563443652).

The spelling of 2343220220 in words is "two billion, three hundred forty-three million, two hundred twenty thousand, two hundred twenty".