1320424260 has 24 divisors (see below), whose sum is σ = 3697188096. Its totient is φ = 352113120.

The previous prime is 1320424243. The next prime is 1320424271. The reversal of 1320424260 is 624240231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320424260.

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, 11003476 + ... + 11003595.

It is an arithmetic number, because the mean of its divisors is an integer number (154049504).

Almost surely, 2^1320424260 is an apocalyptic number.

1320424260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320424260 is an abundant number, since it is smaller than the sum of its proper divisors (2376763836).

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

1320424260 is a wasteful number, since it uses less digits than its factorization.

1320424260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22007083 (or 22007081 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1320424260 is about 36337.6424661810. The cubic root of 1320424260 is about 1097.0788223435.

Adding to 1320424260 its reverse (624240231), we get a palindrome (1944664491).

The spelling of 1320424260 in words is "one billion, three hundred twenty million, four hundred twenty-four thousand, two hundred sixty".