20431555241341 has 4 divisors (see below), whose sum is σ = 20433075346684. Its totient is φ = 20430035136000.

The previous prime is 20431555241323. The next prime is 20431555241347. The reversal of 20431555241341 is 14314255513402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4086886776025 + 16344668465316 = 2021605^2 + 4042854^2 .

It is a cyclic number.

It is not a de Polignac number, because 20431555241341 - 2¹⁹ = 20431554717053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20431555241294 and 20431555241303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20431555241347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760032510 + ... + 760059391.

It is an arithmetic number, because the mean of its divisors is an integer number (5108268836671).

Almost surely, 2^{20431555241341} is an apocalyptic number.

It is an amenable number.

20431555241341 is a deficient number, since it is larger than the sum of its proper divisors (1520105343).

20431555241341 is a wasteful number, since it uses less digits than its factorization.

20431555241341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520105342.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 20431555241341 in words is "twenty trillion, four hundred thirty-one billion, five hundred fifty-five million, two hundred forty-one thousand, three hundred forty-one".