20020343041321 has 16 divisors (see below), whose sum is σ = 22919518512000. Its totient is φ = 17130959209728.

The previous prime is 20020343041241. The next prime is 20020343041343. The reversal of 20020343041321 is 12314034302002.

It is not a de Polignac number, because 20020343041321 - 2⁹ = 20020343040809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020343441321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23725155 + ... + 24554503.

It is an arithmetic number, because the mean of its divisors is an integer number (1432469907000).

Almost surely, 2^{20020343041321} is an apocalyptic number.

It is an amenable number.

20020343041321 is a deficient number, since it is larger than the sum of its proper divisors (2899175470679).

20020343041321 is an equidigital number, since it uses as much as digits as its factorization.

20020343041321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835248.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20020343041321 its reverse (12314034302002), we get a palindrome (32334377343323).

The spelling of 20020343041321 in words is "twenty trillion, twenty billion, three hundred forty-three million, forty-one thousand, three hundred twenty-one".