13232221023420 has 144 divisors (see below), whose sum is σ = 47866121372160. Its totient is φ = 2893007323008.

The previous prime is 13232221023391. The next prime is 13232221023431. The reversal of 13232221023420 is 2432012223231.

13232221023420 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 2 + 2 + 210 + 23 + 420 = 666.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 228270210 + ... + 228328169.

It is an arithmetic number, because the mean of its divisors is an integer number (332403620640).

Almost surely, 2^{13232221023420} is an apocalyptic number.

13232221023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13232221023420 is an abundant number, since it is smaller than the sum of its proper divisors (34633900348740).

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

13232221023420 is a wasteful number, since it uses less digits than its factorization.

13232221023420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456598424 (or 456598419 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13232221023420 its reverse (2432012223231), we get a palindrome (15664233246651).

The spelling of 13232221023420 in words is "thirteen trillion, two hundred thirty-two billion, two hundred twenty-one million, twenty-three thousand, four hundred twenty".