13124432200220 has 72 divisors (see below), whose sum is σ = 30296200552800. Its totient is φ = 4772278177920.

The previous prime is 13124432200189. The next prime is 13124432200223. The reversal of 13124432200220 is 2200223442131.

It is a self number, because there is not a number n which added to its sum of digits gives 13124432200220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124432200223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 51464786 + ... + 51719174.

Almost surely, 2^{13124432200220} is an apocalyptic number.

13124432200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124432200220 is an abundant number, since it is smaller than the sum of its proper divisors (17171768352580).

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

13124432200220 is a wasteful number, since it uses less digits than its factorization.

13124432200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275739 (or 275726 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13124432200220 its reverse (2200223442131), we get a palindrome (15324655642351).

The spelling of 13124432200220 in words is "thirteen trillion, one hundred twenty-four billion, four hundred thirty-two million, two hundred thousand, two hundred twenty".