13203263420 has 24 divisors (see below), whose sum is σ = 27842875200. Its totient is φ = 5259205952.

The previous prime is 13203263417. The next prime is 13203263431. The reversal of 13203263420 is 2436230231.

It is a self number, because there is not a number n which added to its sum of digits gives 13203263420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376315 + ... + 1385874.

It is an arithmetic number, because the mean of its divisors is an integer number (1160119800).

Almost surely, 2^13203263420 is an apocalyptic number.

13203263420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203263420 is an abundant number, since it is smaller than the sum of its proper divisors (14639611780).

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

13203263420 is a wasteful number, since it uses less digits than its factorization.

13203263420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762437 (or 2762435 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13203263420 its reverse (2436230231), we get a palindrome (15639493651).

The spelling of 13203263420 in words is "thirteen billion, two hundred three million, two hundred sixty-three thousand, four hundred twenty".