20202199999 has 2 divisors, whose sum is σ = 20202200000. Its totient is φ = 20202199998.

The previous prime is 20202199987. The next prime is 20202200017. The reversal of 20202199999 is 99999120202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202199999 - 2¹⁷ = 20202068927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202196999) 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, 10101099999 + 10101100000.

It is an arithmetic number, because the mean of its divisors is an integer number (10101100000).

Almost surely, 2^20202199999 is an apocalyptic number.

20202199999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202199999 is an equidigital number, since it uses as much as digits as its factorization.

20202199999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 52.

The spelling of 20202199999 in words is "twenty billion, two hundred two million, one hundred ninety-nine thousand, nine hundred ninety-nine".