13203253320 has 128 divisors (see below), whose sum is σ = 42052867200. Its totient is φ = 3304820736.

The previous prime is 13203253319. The next prime is 13203253321. The reversal of 13203253320 is 2335230231.

It is an interprime number because it is at equal distance from previous prime (13203253319) and next prime (13203253321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13203253321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 764622 + ... + 781698.

It is an arithmetic number, because the mean of its divisors is an integer number (328538025).

Almost surely, 2^13203253320 is an apocalyptic number.

13203253320 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 13203253320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21026433600).

13203253320 is an abundant number, since it is smaller than the sum of its proper divisors (28849613880).

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

13203253320 is a wasteful number, since it uses less digits than its factorization.

13203253320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17487 (or 17483 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 13203253320 its reverse (2335230231), we get a palindrome (15538483551).

The spelling of 13203253320 in words is "thirteen billion, two hundred three million, two hundred fifty-three thousand, three hundred twenty".