1320808000 has 112 divisors (see below), whose sum is σ = 3303690624. Its totient is φ = 523046400.

The previous prime is 1320807991. The next prime is 1320808003. The reversal of 1320808000 is 8080231.

It is not an unprimeable number, because it can be changed into a prime (1320808003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855229 + ... + 856771.

Almost surely, 2^1320808000 is an apocalyptic number.

1320808000 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 1320808000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651845312).

1320808000 is an abundant number, since it is smaller than the sum of its proper divisors (1982882624).

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

1320808000 is a wasteful number, since it uses less digits than its factorization.

1320808000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1320808000 is about 36342.9222820620. The cubic root of 1320808000 is about 1097.1850892618.

Adding to 1320808000 its reverse (8080231), we get a palindrome (1328888231).

The spelling of 1320808000 in words is "one billion, three hundred twenty million, eight hundred eight thousand".