203130223320 has 192 divisors, whose sum is σ = 641715268320. Its totient is φ = 51432527872.

The previous prime is 203130223301. The next prime is 203130223333. The reversal of 203130223320 is 23322031302.

203130223320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8685082 + ... + 8708438.

Almost surely, 2^203130223320 is an apocalyptic number.

203130223320 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 203130223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320857634160).

203130223320 is an abundant number, since it is smaller than the sum of its proper divisors (438585045000).

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

203130223320 is a wasteful number, since it uses less digits than its factorization.

203130223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23554 (or 23527 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203130223320 its reverse (23322031302), we get a palindrome (226452254622).

The spelling of 203130223320 in words is "two hundred three billion, one hundred thirty million, two hundred twenty-three thousand, three hundred twenty".