20204040203 has 8 divisors (see below), whose sum is σ = 21462526800. Its totient is φ = 18965065248.

The previous prime is 20204040191. The next prime is 20204040209. The reversal of 20204040203 is 30204040202.

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

It is a cyclic number.

It is not a de Polignac number, because 20204040203 - 2¹² = 20204036107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20204040209) 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, 4875776 + ... + 4879917.

It is an arithmetic number, because the mean of its divisors is an integer number (2682815850).

Almost surely, 2^20204040203 is an apocalyptic number.

20204040203 is a deficient number, since it is larger than the sum of its proper divisors (1258486597).

20204040203 is a wasteful number, since it uses less digits than its factorization.

20204040203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9755821.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20204040203 its reverse (30204040202), we get a palindrome (50408080405).

Subtracting 20204040203 from its reverse (30204040202), we obtain a palindrome (9999999999).

The spelling of 20204040203 in words is "twenty billion, two hundred four million, forty thousand, two hundred three".