20210200103 has 2 divisors, whose sum is σ = 20210200104. Its totient is φ = 20210200102.

The previous prime is 20210200099. The next prime is 20210200111. The reversal of 20210200103 is 30100201202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20210200103 - 2² = 20210200099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210206103) 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, 10105100051 + 10105100052.

It is an arithmetic number, because the mean of its divisors is an integer number (10105100052).

Almost surely, 2^20210200103 is an apocalyptic number.

20210200103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210200103 is an equidigital number, since it uses as much as digits as its factorization.

20210200103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20210200103 its reverse (30100201202), we get a palindrome (50310401305).

The spelling of 20210200103 in words is "twenty billion, two hundred ten million, two hundred thousand, one hundred three".