20020100219993 has 2 divisors, whose sum is σ = 20020100219994. Its totient is φ = 20020100219992.

The previous prime is 20020100219971. The next prime is 20020100220059. The reversal of 20020100219993 is 39991200102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19992228585289 + 27871634704 = 4471267^2 + 166948^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020100219993 - 2⁸ = 20020100219737 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020100219893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010050109996 + 10010050109997.

It is an arithmetic number, because the mean of its divisors is an integer number (10010050109997).

Almost surely, 2^{20020100219993} is an apocalyptic number.

It is an amenable number.

20020100219993 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020100219993 is an equidigital number, since it uses as much as digits as its factorization.

20020100219993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 20020100219993 in words is "twenty trillion, twenty billion, one hundred million, two hundred nineteen thousand, nine hundred ninety-three".