1320240332 has 48 divisors (see below), whose sum is σ = 2490626880. Its totient is φ = 610117632.

The previous prime is 1320240287. The next prime is 1320240371. The reversal of 1320240332 is 2330420231.

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, 1573169 + ... + 1574007.

It is an arithmetic number, because the mean of its divisors is an integer number (51888060).

Almost surely, 2^1320240332 is an apocalyptic number.

It is an amenable number.

1320240332 is a deficient number, since it is larger than the sum of its proper divisors (1170386548).

1320240332 is a wasteful number, since it uses less digits than its factorization.

1320240332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1320240332 is about 36335.1115589315. Note that the first 3 decimals coincide. The cubic root of 1320240332 is about 1097.0278809177.

Adding to 1320240332 its reverse (2330420231), we get a palindrome (3650660563).

The spelling of 1320240332 in words is "one billion, three hundred twenty million, two hundred forty thousand, three hundred thirty-two".