20412242321 has 8 divisors (see below), whose sum is σ = 20486957184. Its totient is φ = 20337654960.

The previous prime is 20412242273. The next prime is 20412242339. The reversal of 20412242321 is 12324221402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20412242321 - 2³⁰ = 19338500497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20412242351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294986 + ... + 357548.

It is an arithmetic number, because the mean of its divisors is an integer number (2560869648).

Almost surely, 2^20412242321 is an apocalyptic number.

It is an amenable number.

20412242321 is a deficient number, since it is larger than the sum of its proper divisors (74714863).

20412242321 is an equidigital number, since it uses as much as digits as its factorization.

20412242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63751.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20412242321 its reverse (12324221402), we get a palindrome (32736463723).

The spelling of 20412242321 in words is "twenty billion, four hundred twelve million, two hundred forty-two thousand, three hundred twenty-one".