1320224424 has 32 divisors (see below), whose sum is σ = 3474276000. Its totient is φ = 416912832.

The previous prime is 1320224387. The next prime is 1320224441. The reversal of 1320224424 is 4244220231.

It is a super-2 number, since 2×1320224424² = 3485985059452263552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1320224394 and 1320224403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447159 + ... + 1448070.

It is an arithmetic number, because the mean of its divisors is an integer number (108571125).

Almost surely, 2^1320224424 is an apocalyptic number.

It is an amenable number.

1320224424 is an abundant number, since it is smaller than the sum of its proper divisors (2154051576).

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

1320224424 is a wasteful number, since it uses less digits than its factorization.

1320224424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895257 (or 2895253 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1320224424 is about 36334.8926515546. The cubic root of 1320224424 is about 1097.0234747528.

Adding to 1320224424 its reverse (4244220231), we get a palindrome (5564444655).

The spelling of 1320224424 in words is "one billion, three hundred twenty million, two hundred twenty-four thousand, four hundred twenty-four".