1320320230200 has 288 divisors, whose sum is σ = 4786412623200. Its totient is φ = 325164026880.

The previous prime is 1320320230123. The next prime is 1320320230213. The reversal of 1320320230200 is 20320230231.

It is a happy number.

1320320230200 is a `hidden beast` number, since 1 + 320 + 320 + 2 + 3 + 0 + 20 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 650742 + ... + 1750458.

It is an arithmetic number, because the mean of its divisors is an integer number (16619488275).

Almost surely, 2^{1320320230200} is an apocalyptic number.

1320320230200 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 1320320230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2393206311600).

1320320230200 is an abundant number, since it is smaller than the sum of its proper divisors (3466092393000).

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

1320320230200 is a wasteful number, since it uses less digits than its factorization.

1320320230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099791 (or 1099779 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1320320230200 its reverse (20320230231), we get a palindrome (1340640460431).

The spelling of 1320320230200 in words is "one trillion, three hundred twenty billion, three hundred twenty million, two hundred thirty thousand, two hundred".