20130241024221 has 4 divisors (see below), whose sum is σ = 26840321365632. Its totient is φ = 13420160682812.

The previous prime is 20130241024199. The next prime is 20130241024249. The reversal of 20130241024221 is 12242014203102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20130241024221 - 2⁵ = 20130241024189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20130241024191 and 20130241024200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130241024321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355040170701 + ... + 3355040170706.

It is an arithmetic number, because the mean of its divisors is an integer number (6710080341408).

Almost surely, 2^{20130241024221} is an apocalyptic number.

It is an amenable number.

20130241024221 is a deficient number, since it is larger than the sum of its proper divisors (6710080341411).

20130241024221 is an equidigital number, since it uses as much as digits as its factorization.

20130241024221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710080341410.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20130241024221 its reverse (12242014203102), we get a palindrome (32372255227323).

The spelling of 20130241024221 in words is "twenty trillion, one hundred thirty billion, two hundred forty-one million, twenty-four thousand, two hundred twenty-one".