20032103 has 32 divisors (see below), whose sum is σ = 27288576. Its totient is φ = 14243328.

The previous prime is 20032097. The next prime is 20032141. The reversal of 20032103 is 30123002.

It is a cyclic number.

It is not a de Polignac number, because 20032103 - 2⁴ = 20032087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032163) 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 31 ways as a sum of consecutive naturals, for example, 35300 + ... + 35862.

It is an arithmetic number, because the mean of its divisors is an integer number (852768).

Almost surely, 2^20032103 is an apocalyptic number.

20032103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20032103 is a deficient number, since it is larger than the sum of its proper divisors (7256473).

20032103 is a wasteful number, since it uses less digits than its factorization.

20032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20032103 is about 4475.7237403575. The cubic root of 20032103 is about 271.5869189353.

Adding to 20032103 its reverse (30123002), we get a palindrome (50155105).

The spelling of 20032103 in words is "twenty million, thirty-two thousand, one hundred three".