20219103 has 12 divisors (see below), whose sum is σ = 30923568. Its totient is φ = 12686400.

The previous prime is 20219083. The next prime is 20219107. The reversal of 20219103 is 30191202.

It is a happy number.

It is not a de Polignac number, because 20219103 - 2²⁴ = 3441887 is a prime.

It is a super-2 number, since 2×20219103² = 817624252249218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20219107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65923 + ... + 66228.

It is an arithmetic number, because the mean of its divisors is an integer number (2576964).

Almost surely, 2^20219103 is an apocalyptic number.

20219103 is a deficient number, since it is larger than the sum of its proper divisors (10704465).

20219103 is a wasteful number, since it uses less digits than its factorization.

20219103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132174 (or 132171 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 20219103 is about 4496.5656895013. The cubic root of 20219103 is about 272.4293922498.

The spelling of 20219103 in words is "twenty million, two hundred nineteen thousand, one hundred three".