13120342404420 has 96 divisors (see below), whose sum is σ = 37066903776000. Its totient is φ = 3467419930624.

The previous prime is 13120342404329. The next prime is 13120342404487. The reversal of 13120342404420 is 2440424302131.

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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3591436 + ... + 6256124.

It is an arithmetic number, because the mean of its divisors is an integer number (386113581000).

Almost surely, 2^{13120342404420} is an apocalyptic number.

13120342404420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13120342404420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18533451888000).

13120342404420 is an abundant number, since it is smaller than the sum of its proper divisors (23946561371580).

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

13120342404420 is a wasteful number, since it uses less digits than its factorization.

13120342404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665437 (or 2665435 counting only the distinct ones).

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

Adding to 13120342404420 its reverse (2440424302131), we get a palindrome (15560766706551).

The spelling of 13120342404420 in words is "thirteen trillion, one hundred twenty billion, three hundred forty-two million, four hundred four thousand, four hundred twenty".