20342301321 has 16 divisors (see below), whose sum is σ = 27291638528. Its totient is φ = 13477438800.

The previous prime is 20342301311. The next prime is 20342301323. The reversal of 20342301321 is 12310324302.

It is not a de Polignac number, because 20342301321 - 2⁶ = 20342301257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20342301323) 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 15 ways as a sum of consecutive naturals, for example, 414150 + ... + 460656.

It is an arithmetic number, because the mean of its divisors is an integer number (1705727408).

Almost surely, 2^20342301321 is an apocalyptic number.

It is an amenable number.

20342301321 is a deficient number, since it is larger than the sum of its proper divisors (6949337207).

20342301321 is a wasteful number, since it uses less digits than its factorization.

20342301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47412.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20342301321 its reverse (12310324302), we get a palindrome (32652625623).

The spelling of 20342301321 in words is "twenty billion, three hundred forty-two million, three hundred one thousand, three hundred twenty-one".