1320265232 has 80 divisors (see below), whose sum is σ = 3014807040. Its totient is φ = 552192000.

The previous prime is 1320265211. The next prime is 1320265259. The reversal of 1320265232 is 2325620231.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 15 ways as a sum of consecutive naturals, for example, 916769 + ... + 918207.

It is an arithmetic number, because the mean of its divisors is an integer number (37685088).

Almost surely, 2^1320265232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320265232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507403520).

1320265232 is an abundant number, since it is smaller than the sum of its proper divisors (1694541808).

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

1320265232 is a wasteful number, since it uses less digits than its factorization.

1320265232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1320265232 is about 36335.4542010968. The cubic root of 1320265232 is about 1097.0347775970.

Adding to 1320265232 its reverse (2325620231), we get a palindrome (3645885463).

The spelling of 1320265232 in words is "one billion, three hundred twenty million, two hundred sixty-five thousand, two hundred thirty-two".