203411102320 has 160 divisors (see below), whose sum is σ = 520804166400. Its totient is φ = 73564028928.

The previous prime is 203411102249. The next prime is 203411102341. The reversal of 203411102320 is 23201114302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3949696 + ... + 4000864.

It is an arithmetic number, because the mean of its divisors is an integer number (3255026040).

Almost surely, 2^203411102320 is an apocalyptic number.

203411102320 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 203411102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260402083200).

203411102320 is an abundant number, since it is smaller than the sum of its proper divisors (317393064080).

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

203411102320 is a wasteful number, since it uses less digits than its factorization.

203411102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51315 (or 51309 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203411102320 its reverse (23201114302), we get a palindrome (226612216622).

The spelling of 203411102320 in words is "two hundred three billion, four hundred eleven million, one hundred two thousand, three hundred twenty".