203201320300 has 144 divisors (see below), whose sum is σ = 508101479424. Its totient is φ = 69844320000.

The previous prime is 203201320247. The next prime is 203201320303. The reversal of 203201320300 is 3023102302.

It is not an unprimeable number, because it can be changed into a prime (203201320303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1397010 + ... + 1535590.

It is an arithmetic number, because the mean of its divisors is an integer number (3528482496).

Almost surely, 2^203201320300 is an apocalyptic number.

203201320300 is a gapful number since it is divisible by the number (20) 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 203201320300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254050739712).

203201320300 is an abundant number, since it is smaller than the sum of its proper divisors (304900159124).

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

203201320300 is a wasteful number, since it uses less digits than its factorization.

203201320300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138680 (or 138673 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 203201320300 its reverse (3023102302), we get a palindrome (206224422602).

The spelling of 203201320300 in words is "two hundred three billion, two hundred one million, three hundred twenty thousand, three hundred".