13404212324020 has 48 divisors (see below), whose sum is σ = 32171589168768. Its totient is φ = 4595518569600.

The previous prime is 13404212323961. The next prime is 13404212324039. The reversal of 13404212324020 is 2042321240431.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 13404212324020.

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 15 ways as a sum of consecutive naturals, for example, 868294 + ... + 5249986.

It is an arithmetic number, because the mean of its divisors is an integer number (670241441016).

Almost surely, 2^{13404212324020} is an apocalyptic number.

13404212324020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13404212324020 is an abundant number, since it is smaller than the sum of its proper divisors (18767376844748).

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

13404212324020 is a wasteful number, since it uses less digits than its factorization.

13404212324020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403560 (or 4403558 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13404212324020 its reverse (2042321240431), we get a palindrome (15446533564451).

The spelling of 13404212324020 in words is "thirteen trillion, four hundred four billion, two hundred twelve million, three hundred twenty-four thousand, twenty".