13342240420 has 48 divisors (see below), whose sum is σ = 29567260800. Its totient is φ = 5043340800.

The previous prime is 13342240403. The next prime is 13342240427. The reversal of 13342240420 is 2404224331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13342240427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108601 + ... + 196159.

It is an arithmetic number, because the mean of its divisors is an integer number (615984600).

Almost surely, 2^13342240420 is an apocalyptic number.

13342240420 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 13342240420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14783630400).

13342240420 is an abundant number, since it is smaller than the sum of its proper divisors (16225020380).

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

13342240420 is a wasteful number, since it uses less digits than its factorization.

13342240420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87988 (or 87986 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13342240420 its reverse (2404224331), we get a palindrome (15746464751).

The spelling of 13342240420 in words is "thirteen billion, three hundred forty-two million, two hundred forty thousand, four hundred twenty".