2443231220 has 48 divisors (see below), whose sum is σ = 5180668416. Its totient is φ = 967824000.

The previous prime is 2443231181. The next prime is 2443231253. The reversal of 2443231220 is 221323442.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2464925 + ... + 2465915.

It is an arithmetic number, because the mean of its divisors is an integer number (107930592).

Almost surely, 2^2443231220 is an apocalyptic number.

2443231220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443231220 is an abundant number, since it is smaller than the sum of its proper divisors (2737437196).

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

2443231220 is a wasteful number, since it uses less digits than its factorization.

2443231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2443231220 is about 49429.0523882463. The cubic root of 2443231220 is about 1346.8571094858.

Adding to 2443231220 its reverse (221323442), we get a palindrome (2664554662).

The spelling of 2443231220 in words is "two billion, four hundred forty-three million, two hundred thirty-one thousand, two hundred twenty".