20204203 has 2 divisors, whose sum is σ = 20204204. Its totient is φ = 20204202.

The previous prime is 20204179. The next prime is 20204207. The reversal of 20204203 is 30240202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20204203 - 2²¹ = 18107051 is a prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (20204207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10102101 + 10102102.

It is an arithmetic number, because the mean of its divisors is an integer number (10102102).

Almost surely, 2^20204203 is an apocalyptic number.

20204203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20204203 is an equidigital number, since it uses as much as digits as its factorization.

20204203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20204203 is about 4494.9085641423. The cubic root of 20204203 is about 272.3624556261.

Adding to 20204203 its reverse (30240202), we get a palindrome (50444405).

The spelling of 20204203 in words is "twenty million, two hundred four thousand, two hundred three".