20013233203 has 2 divisors, whose sum is σ = 20013233204. Its totient is φ = 20013233202.

The previous prime is 20013233183. The next prime is 20013233209. The reversal of 20013233203 is 30233231002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20013233203 is a prime.

It is not a weakly prime, because it can be changed into another prime (20013233209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006616601 + 10006616602.

It is an arithmetic number, because the mean of its divisors is an integer number (10006616602).

Almost surely, 2^20013233203 is an apocalyptic number.

20013233203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013233203 is an equidigital number, since it uses as much as digits as its factorization.

20013233203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20013233203 its reverse (30233231002), we get a palindrome (50246464205).

The spelling of 20013233203 in words is "twenty billion, thirteen million, two hundred thirty-three thousand, two hundred three".