1232424220 has 48 divisors (see below), whose sum is σ = 2698166016. Its totient is φ = 472320000.

The previous prime is 1232424199. The next prime is 1232424233. The reversal of 1232424220 is 224242321.

It is a junction number, because it is equal to n+sod(n) for n = 1232424191 and 1232424200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52780 + ... + 72460.

It is an arithmetic number, because the mean of its divisors is an integer number (56211792).

Almost surely, 2^1232424220 is an apocalyptic number.

1232424220 is a gapful number since it is divisible by the number (10) 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 1232424220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349083008).

1232424220 is an abundant number, since it is smaller than the sum of its proper divisors (1465741796).

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

1232424220 is a wasteful number, since it uses less digits than its factorization.

1232424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19822 (or 19820 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1232424220 is about 35105.9000739192. The cubic root of 1232424220 is about 1072.1447127261.

Adding to 1232424220 its reverse (224242321), we get a palindrome (1456666541).

The spelling of 1232424220 in words is "one billion, two hundred thirty-two million, four hundred twenty-four thousand, two hundred twenty".