20103169 has 4 divisors (see below), whose sum is σ = 20530944. Its totient is φ = 19675396.

The previous prime is 20103157. The next prime is 20103191. The reversal of 20103169 is 96130102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20103169 - 2⁵ = 20103137 is a prime.

It is a super-2 number, since 2×20103169² = 808274807685122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213817 + ... + 213910.

It is an arithmetic number, because the mean of its divisors is an integer number (5132736).

It is a Proth number, since it is equal to 1227 ⋅ 2¹⁴ + 1 and 1227 < 2¹⁴.

Almost surely, 2^20103169 is an apocalyptic number.

It is an amenable number.

20103169 is a deficient number, since it is larger than the sum of its proper divisors (427775).

20103169 is an equidigital number, since it uses as much as digits as its factorization.

20103169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427774.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 20103169 is about 4483.6557628792. The cubic root of 20103169 is about 271.9077009858.

The spelling of 20103169 in words is "twenty million, one hundred three thousand, one hundred sixty-nine".