20301344421 has 8 divisors (see below), whose sum is σ = 27112619040. Its totient is φ = 13512149712.

The previous prime is 20301344417. The next prime is 20301344423. The reversal of 20301344421 is 12444310302.

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

It is not a de Polignac number, because 20301344421 - 2² = 20301344417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20301344391 and 20301344400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301344423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5517831 + ... + 5521508.

It is an arithmetic number, because the mean of its divisors is an integer number (3389077380).

Almost surely, 2^20301344421 is an apocalyptic number.

It is an amenable number.

20301344421 is a deficient number, since it is larger than the sum of its proper divisors (6811274619).

20301344421 is a wasteful number, since it uses less digits than its factorization.

20301344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039955.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20301344421 its reverse (12444310302), we get a palindrome (32745654723).

The spelling of 20301344421 in words is "twenty billion, three hundred one million, three hundred forty-four thousand, four hundred twenty-one".