20020023203 has 4 divisors (see below), whose sum is σ = 20130631248. Its totient is φ = 19909415160.

The previous prime is 20020023197. The next prime is 20020023253. The reversal of 20020023203 is 30232002002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20020023203 - 2⁶ = 20020023139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020023253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55303751 + ... + 55304112.

It is an arithmetic number, because the mean of its divisors is an integer number (5032657812).

Almost surely, 2^20020023203 is an apocalyptic number.

20020023203 is a deficient number, since it is larger than the sum of its proper divisors (110608045).

20020023203 is a wasteful number, since it uses less digits than its factorization.

20020023203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110608044.

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20020023203 its reverse (30232002002), we get a palindrome (50252025205).

The spelling of 20020023203 in words is "twenty billion, twenty million, twenty-three thousand, two hundred three".