13321363420 has 24 divisors (see below), whose sum is σ = 27977163984. Its totient is φ = 5328107136.

The previous prime is 13321363409. The next prime is 13321363457. The reversal of 13321363420 is 2436312331.

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 7 ways as a sum of consecutive naturals, for example, 346059 + ... + 382621.

It is an arithmetic number, because the mean of its divisors is an integer number (1165715166).

Almost surely, 2^13321363420 is an apocalyptic number.

13321363420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321363420 is an abundant number, since it is smaller than the sum of its proper divisors (14655800564).

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

13321363420 is a wasteful number, since it uses less digits than its factorization.

13321363420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54789 (or 54787 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13321363420 its reverse (2436312331), we get a palindrome (15757675751).

The spelling of 13321363420 in words is "thirteen billion, three hundred twenty-one million, three hundred sixty-three thousand, four hundred twenty".