20023003203 has 16 divisors (see below), whose sum is σ = 30515456256. Its totient is φ = 11440136160.

The previous prime is 20023003177. The next prime is 20023003307. The reversal of 20023003203 is 30230032002.

It is not a de Polignac number, because 20023003203 - 2⁹ = 20023002691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023003003) 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, 99525 + ... + 223497.

It is an arithmetic number, because the mean of its divisors is an integer number (1907216016).

Almost surely, 2^20023003203 is an apocalyptic number.

20023003203 is a deficient number, since it is larger than the sum of its proper divisors (10492453053).

20023003203 is a wasteful number, since it uses less digits than its factorization.

20023003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131674.

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20023003203 its reverse (30230032002), we get a palindrome (50253035205).

The spelling of 20023003203 in words is "twenty billion, twenty-three million, three thousand, two hundred three".