20201000211047 has 2 divisors, whose sum is σ = 20201000211048. Its totient is φ = 20201000211046.

The previous prime is 20201000210971. The next prime is 20201000211121. The reversal of 20201000211047 is 74011200010202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20201000211047 - 2⁸ = 20201000210791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201000201047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100500105523 + 10100500105524.

It is an arithmetic number, because the mean of its divisors is an integer number (10100500105524).

Almost surely, 2^{20201000211047} is an apocalyptic number.

20201000211047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201000211047 is an equidigital number, since it uses as much as digits as its factorization.

20201000211047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 20201000211047 its reverse (74011200010202), we get a palindrome (94212200221249).

The spelling of 20201000211047 in words is "twenty trillion, two hundred one billion, two hundred eleven thousand, forty-seven".