20110202099993 has 2 divisors, whose sum is σ = 20110202099994. Its totient is φ = 20110202099992.

The previous prime is 20110202099971. The next prime is 20110202100013. The reversal of 20110202099993 is 39999020201102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19458359012569 + 651843087424 = 4411163^2 + 807368^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110202099993 - 2¹⁰ = 20110202098969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110202099293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055101049996 + 10055101049997.

It is an arithmetic number, because the mean of its divisors is an integer number (10055101049997).

Almost surely, 2^{20110202099993} is an apocalyptic number.

It is an amenable number.

20110202099993 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110202099993 is an equidigital number, since it uses as much as digits as its factorization.

20110202099993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 20110202099993 in words is "twenty trillion, one hundred ten billion, two hundred two million, ninety-nine thousand, nine hundred ninety-three".