13424502444220 has 96 divisors (see below), whose sum is σ = 32294235649536. Its totient is φ = 4591919289600.

The previous prime is 13424502444217. The next prime is 13424502444277. The reversal of 13424502444220 is 2244420542431.

It is a super-2 number, since 2×13424502444220² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13424502444220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157723875 + ... + 157808965.

It is an arithmetic number, because the mean of its divisors is an integer number (336398288016).

Almost surely, 2^{13424502444220} is an apocalyptic number.

13424502444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13424502444220 is an abundant number, since it is smaller than the sum of its proper divisors (18869733205316).

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

13424502444220 is a wasteful number, since it uses less digits than its factorization.

13424502444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87731 (or 87729 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 13424502444220 its reverse (2244420542431), we get a palindrome (15668922986651).

The spelling of 13424502444220 in words is "thirteen trillion, four hundred twenty-four billion, five hundred two million, four hundred forty-four thousand, two hundred twenty".