13220203200 has 168 divisors, whose sum is σ = 43453708368. Its totient is φ = 3518853120.

The previous prime is 13220203181. The next prime is 13220203259. The reversal of 13220203200 is 230202231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13220203200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2940154 + ... + 2944646.

It is an arithmetic number, because the mean of its divisors is an integer number (258653026).

Almost surely, 2^13220203200 is an apocalyptic number.

13220203200 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 13220203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21726854184).

13220203200 is an abundant number, since it is smaller than the sum of its proper divisors (30233505168).

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

13220203200 is a wasteful number, since it uses less digits than its factorization.

13220203200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5116 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 13220203200 its reverse (230202231), we get a palindrome (13450405431).

The spelling of 13220203200 in words is "thirteen billion, two hundred twenty million, two hundred three thousand, two hundred".