20169100103 has 2 divisors, whose sum is σ = 20169100104. Its totient is φ = 20169100102.

The previous prime is 20169100093. The next prime is 20169100109. The reversal of 20169100103 is 30100196102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20169100103 - 2¹⁰ = 20169099079 is a prime.

It is a super-2 number, since 2×20169100103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20169100109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10084550051 + 10084550052.

It is an arithmetic number, because the mean of its divisors is an integer number (10084550052).

Almost surely, 2^20169100103 is an apocalyptic number.

20169100103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20169100103 is an equidigital number, since it uses as much as digits as its factorization.

20169100103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 20169100103 its reverse (30100196102), we get a palindrome (50269296205).

The spelling of 20169100103 in words is "twenty billion, one hundred sixty-nine million, one hundred thousand, one hundred three".