20132043913447 has 2 divisors, whose sum is σ = 20132043913448. Its totient is φ = 20132043913446.

The previous prime is 20132043913357. The next prime is 20132043913459. The reversal of 20132043913447 is 74431934023102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20132043913447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20132043913847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066021956723 + 10066021956724.

It is an arithmetic number, because the mean of its divisors is an integer number (10066021956724).

Almost surely, 2^{20132043913447} is an apocalyptic number.

20132043913447 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132043913447 is an equidigital number, since it uses as much as digits as its factorization.

20132043913447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 43.

Adding to 20132043913447 its reverse (74431934023102), we get a palindrome (94563977936549).

The spelling of 20132043913447 in words is "twenty trillion, one hundred thirty-two billion, forty-three million, nine hundred thirteen thousand, four hundred forty-seven".