20323440410121 has 12 divisors (see below), whose sum is σ = 31082908862772. Its totient is φ = 12751962610176.

The previous prime is 20323440410083. The next prime is 20323440410129. The reversal of 20323440410121 is 12101404432302.

20323440410121 is a `hidden beast` number, since 2 + 0 + 3 + 234 + 4 + 0 + 410 + 12 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6299276746896 + 14024163663225 = 2509836^2 + 3744885^2 .

It is not a de Polignac number, because 20323440410121 - 2²⁷ = 20323306192393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20323440410129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66416471776 + ... + 66416472081.

It is an arithmetic number, because the mean of its divisors is an integer number (2590242405231).

Almost surely, 2^{20323440410121} is an apocalyptic number.

It is an amenable number.

20323440410121 is a deficient number, since it is larger than the sum of its proper divisors (10759468452651).

20323440410121 is a wasteful number, since it uses less digits than its factorization.

20323440410121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132832943880 (or 132832943877 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20323440410121 its reverse (12101404432302), we get a palindrome (32424844842423).

The spelling of 20323440410121 in words is "twenty trillion, three hundred twenty-three billion, four hundred forty million, four hundred ten thousand, one hundred twenty-one".