20103814 has 4 divisors (see below), whose sum is σ = 30155724. Its totient is φ = 10051906.

The previous prime is 20103803. The next prime is 20103821. The reversal of 20103814 is 41830102.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20103791 and 20103800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025952 + ... + 5025955.

It is an arithmetic number, because the mean of its divisors is an integer number (7538931).

Almost surely, 2^20103814 is an apocalyptic number.

20103814 is a deficient number, since it is larger than the sum of its proper divisors (10051910).

20103814 is a wasteful number, since it uses less digits than its factorization.

20103814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051909.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20103814 is about 4483.7276902149. The cubic root of 20103814 is about 271.9106089616.

Adding to 20103814 its reverse (41830102), we get a palindrome (61933916).

The spelling of 20103814 in words is "twenty million, one hundred three thousand, eight hundred fourteen".