20131203 has 8 divisors (see below), whose sum is σ = 28254400. Its totient is φ = 12714408.

The previous prime is 20131147. The next prime is 20131207. The reversal of 20131203 is 30213102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20131203 - 2¹⁰ = 20130179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20131207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176533 + ... + 176646.

It is an arithmetic number, because the mean of its divisors is an integer number (3531800).

Almost surely, 2^20131203 is an apocalyptic number.

20131203 is a deficient number, since it is larger than the sum of its proper divisors (8123197).

20131203 is a wasteful number, since it uses less digits than its factorization.

20131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353201.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20131203 is about 4486.7809173170. The cubic root of 20131203 is about 272.0340346325.

Adding to 20131203 its reverse (30213102), we get a palindrome (50344305).

The spelling of 20131203 in words is "twenty million, one hundred thirty-one thousand, two hundred three".