10202220199993 has 2 divisors, whose sum is σ = 10202220199994. Its totient is φ = 10202220199992.

The previous prime is 10202220199991. The next prime is 10202220200027. The reversal of 10202220199993 is 39999102220201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5492048494144 + 4710171705849 = 2343512^2 + 2170293^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202220199993 - 2¹ = 10202220199991 is a prime.

Together with 10202220199991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10202220199991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101110099996 + 5101110099997.

It is an arithmetic number, because the mean of its divisors is an integer number (5101110099997).

Almost surely, 2^{10202220199993} is an apocalyptic number.

It is an amenable number.

10202220199993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202220199993 is an equidigital number, since it uses as much as digits as its factorization.

10202220199993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 49.

The spelling of 10202220199993 in words is "ten trillion, two hundred two billion, two hundred twenty million, one hundred ninety-nine thousand, nine hundred ninety-three".