13401243204420 has 48 divisors (see below), whose sum is σ = 37524078668160. Its totient is φ = 3573607931136.

The previous prime is 13401243204403. The next prime is 13401243204463. The reversal of 13401243204420 is 2440234210431.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 2088849 + ... + 5582631.

It is an arithmetic number, because the mean of its divisors is an integer number (781751638920).

Almost surely, 2^{13401243204420} is an apocalyptic number.

13401243204420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13401243204420 is an abundant number, since it is smaller than the sum of its proper divisors (24122835463740).

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

13401243204420 is a wasteful number, since it uses less digits than its factorization.

13401243204420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557724 (or 3557722 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 13401243204420 its reverse (2440234210431), we get a palindrome (15841477414851).

The spelling of 13401243204420 in words is "thirteen trillion, four hundred one billion, two hundred forty-three million, two hundred four thousand, four hundred twenty".