13424222520 has 96 divisors (see below), whose sum is σ = 43710001920. Its totient is φ = 3573123840.

The previous prime is 13424222519. The next prime is 13424222549. The reversal of 13424222520 is 2522242431.

13424222520 is a `hidden beast` number, since 13 + 424 + 2 + 225 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160297 + ... + 229223.

It is an arithmetic number, because the mean of its divisors is an integer number (455312520).

Almost surely, 2^13424222520 is an apocalyptic number.

13424222520 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 13424222520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21855000960).

13424222520 is an abundant number, since it is smaller than the sum of its proper divisors (30285779400).

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

13424222520 is a wasteful number, since it uses less digits than its factorization.

13424222520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69485 (or 69478 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 13424222520 its reverse (2522242431), we get a palindrome (15946464951).

The spelling of 13424222520 in words is "thirteen billion, four hundred twenty-four million, two hundred twenty-two thousand, five hundred twenty".