20202011850103 has 2 divisors, whose sum is σ = 20202011850104. Its totient is φ = 20202011850102.

The previous prime is 20202011850089. The next prime is 20202011850187. The reversal of 20202011850103 is 30105811020202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202011850103 - 2¹⁷ = 20202011719031 is a prime.

It is a super-2 number, since 2×20202011850103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202011850803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101005925051 + 10101005925052.

It is an arithmetic number, because the mean of its divisors is an integer number (10101005925052).

Almost surely, 2^{20202011850103} is an apocalyptic number.

20202011850103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202011850103 is an equidigital number, since it uses as much as digits as its factorization.

20202011850103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 20202011850103 its reverse (30105811020202), we get a palindrome (50307822870305).

The spelling of 20202011850103 in words is "twenty trillion, two hundred two billion, eleven million, eight hundred fifty thousand, one hundred three".