20323303224121 has 2 divisors, whose sum is σ = 20323303224122. Its totient is φ = 20323303224120.

The previous prime is 20323303224097. The next prime is 20323303224157. The reversal of 20323303224121 is 12142230332302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20287493338896 + 35809885225 = 4504164^2 + 189235^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323303224121 - 2⁵ = 20323303224089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20323303224121.

It is not a weakly prime, because it can be changed into another prime (20323303224821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161651612060 + 10161651612061.

It is an arithmetic number, because the mean of its divisors is an integer number (10161651612061).

Almost surely, 2^{20323303224121} is an apocalyptic number.

It is an amenable number.

20323303224121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323303224121 is an equidigital number, since it uses as much as digits as its factorization.

20323303224121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20323303224121 its reverse (12142230332302), we get a palindrome (32465533556423).

The spelling of 20323303224121 in words is "twenty trillion, three hundred twenty-three billion, three hundred three million, two hundred twenty-four thousand, one hundred twenty-one".