20103133203 has 8 divisors (see below), whose sum is σ = 29782419600. Its totient is φ = 13402088784.

The previous prime is 20103133159. The next prime is 20103133207. The reversal of 20103133203 is 30233130102.

20103133203 is a `hidden beast` number, since 20 + 10 + 313 + 320 + 3 = 666.

It is not a de Polignac number, because 20103133203 - 2⁸ = 20103132947 is a prime.

It is a super-2 number, since 2×20103133203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20103133207) 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, 372280218 + ... + 372280271.

It is an arithmetic number, because the mean of its divisors is an integer number (3722802450).

Almost surely, 2^20103133203 is an apocalyptic number.

20103133203 is a deficient number, since it is larger than the sum of its proper divisors (9679286397).

20103133203 is an equidigital number, since it uses as much as digits as its factorization.

20103133203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744560498 (or 744560492 counting only the distinct ones).

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

Adding to 20103133203 its reverse (30233130102), we get a palindrome (50336263305).

The spelling of 20103133203 in words is "twenty billion, one hundred three million, one hundred thirty-three thousand, two hundred three".