20202122203 has 2 divisors, whose sum is σ = 20202122204. Its totient is φ = 20202122202.

The previous prime is 20202122123. The next prime is 20202122221. The reversal of 20202122203 is 30222120202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202122203 is a prime.

It is not a weakly prime, because it can be changed into another prime (20202122233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101061101 + 10101061102.

It is an arithmetic number, because the mean of its divisors is an integer number (10101061102).

Almost surely, 2^20202122203 is an apocalyptic number.

20202122203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202122203 is an equidigital number, since it uses as much as digits as its factorization.

20202122203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20202122203 its reverse (30222120202), we get a palindrome (50424242405).

The spelling of 20202122203 in words is "twenty billion, two hundred two million, one hundred twenty-two thousand, two hundred three".