20055003024321 has 12 divisors (see below), whose sum is σ = 28976588484480. Its totient is φ = 13366193962680.

The previous prime is 20055003024289. The next prime is 20055003024391. The reversal of 20055003024321 is 12342030055002.

It is a happy number.

20055003024321 is a `hidden beast` number, since 20 + 0 + 550 + 0 + 30 + 2 + 43 + 21 = 666.

It is not a de Polignac number, because 20055003024321 - 2⁵ = 20055003024289 is a prime.

It is a super-2 number, since 2×20055003024321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20055003024391) 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 11 ways as a sum of consecutive naturals, for example, 317304441 + ... + 317367638.

It is an arithmetic number, because the mean of its divisors is an integer number (2414715707040).

Almost surely, 2^{20055003024321} is an apocalyptic number.

It is an amenable number.

20055003024321 is a deficient number, since it is larger than the sum of its proper divisors (8921585460159).

20055003024321 is a wasteful number, since it uses less digits than its factorization.

20055003024321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634675596 (or 634675593 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20055003024321 its reverse (12342030055002), we get a palindrome (32397033079323).

The spelling of 20055003024321 in words is "twenty trillion, fifty-five billion, three million, twenty-four thousand, three hundred twenty-one".