13321441420 has 48 divisors (see below), whose sum is σ = 32027643648. Its totient is φ = 4559325120.

The previous prime is 13321441411. The next prime is 13321441423. The reversal of 13321441420 is 2414412331.

It is not an unprimeable number, because it can be changed into a prime (13321441423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382 + ... + 163261.

It is an arithmetic number, because the mean of its divisors is an integer number (667242576).

Almost surely, 2^13321441420 is an apocalyptic number.

13321441420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321441420 is an abundant number, since it is smaller than the sum of its proper divisors (18706202228).

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

13321441420 is a wasteful number, since it uses less digits than its factorization.

13321441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167230 (or 167228 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13321441420 its reverse (2414412331), we get a palindrome (15735853751).

The spelling of 13321441420 in words is "thirteen billion, three hundred twenty-one million, four hundred forty-one thousand, four hundred twenty".