20103363 has 16 divisors (see below), whose sum is σ = 34037760. Its totient is φ = 11487528.

The previous prime is 20103361. The next prime is 20103371. The reversal of 20103363 is 36330102.

It is a happy number.

It is not a de Polignac number, because 20103363 - 2¹ = 20103361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20103361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52995 + ... + 53372.

It is an arithmetic number, because the mean of its divisors is an integer number (2127360).

Almost surely, 2^20103363 is an apocalyptic number.

20103363 is a deficient number, since it is larger than the sum of its proper divisors (13934397).

20103363 is a wasteful number, since it uses less digits than its factorization.

20103363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106383 (or 106377 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 20103363 is about 4483.6773969589. The cubic root of 20103363 is about 271.9085756393.

Adding to 20103363 its reverse (36330102), we get a palindrome (56433465).

The spelling of 20103363 in words is "twenty million, one hundred three thousand, three hundred sixty-three".