20063543787347 has 2 divisors, whose sum is σ = 20063543787348. Its totient is φ = 20063543787346.

The previous prime is 20063543787317. The next prime is 20063543787349. The reversal of 20063543787347 is 74378734536002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20063543787347 - 2¹² = 20063543783251 is a prime.

Together with 20063543787349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20063543787349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10031771893673 + 10031771893674.

It is an arithmetic number, because the mean of its divisors is an integer number (10031771893674).

Almost surely, 2^{20063543787347} is an apocalyptic number.

20063543787347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20063543787347 is an equidigital number, since it uses as much as digits as its factorization.

20063543787347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71124480, while the sum is 59.

The spelling of 20063543787347 in words is "twenty trillion, sixty-three billion, five hundred forty-three million, seven hundred eighty-seven thousand, three hundred forty-seven".