20001110099947 has 2 divisors, whose sum is σ = 20001110099948. Its totient is φ = 20001110099946.

The previous prime is 20001110099911. The next prime is 20001110100061. The reversal of 20001110099947 is 74999001110002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001110099947 - 2¹⁵ = 20001110067179 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001110799947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000555049973 + 10000555049974.

It is an arithmetic number, because the mean of its divisors is an integer number (10000555049974).

Almost surely, 2^{20001110099947} is an apocalyptic number.

20001110099947 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001110099947 is an equidigital number, since it uses as much as digits as its factorization.

20001110099947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 20001110099947 in words is "twenty trillion, one billion, one hundred ten million, ninety-nine thousand, nine hundred forty-seven".