20431545204341 has 32 divisors (see below), whose sum is σ = 22466885376000. Its totient is φ = 18505345779648.

The previous prime is 20431545204331. The next prime is 20431545204353. The reversal of 20431545204341 is 14340254513402.

It is not a de Polignac number, because 20431545204341 - 2¹⁸ = 20431544942197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20431545204295 and 20431545204304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20431545204331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1003553120 + ... + 1003573478.

It is an arithmetic number, because the mean of its divisors is an integer number (702090168000).

Almost surely, 2^{20431545204341} is an apocalyptic number.

It is an amenable number.

20431545204341 is a deficient number, since it is larger than the sum of its proper divisors (2035340171659).

20431545204341 is a wasteful number, since it uses less digits than its factorization.

20431545204341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38193.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 20431545204341 its reverse (14340254513402), we get a palindrome (34771799717743).

The spelling of 20431545204341 in words is "twenty trillion, four hundred thirty-one billion, five hundred forty-five million, two hundred four thousand, three hundred forty-one".