20202200423 has 2 divisors, whose sum is σ = 20202200424. Its totient is φ = 20202200422.

The previous prime is 20202200413. The next prime is 20202200441. The reversal of 20202200423 is 32400220202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202200423 - 2¹⁸ = 20201938279 is a prime.

It is a super-2 number, since 2×20202200423² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202200413) 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 as a sum of consecutive naturals, namely, 10101100211 + 10101100212.

It is an arithmetic number, because the mean of its divisors is an integer number (10101100212).

Almost surely, 2^20202200423 is an apocalyptic number.

20202200423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202200423 is an equidigital number, since it uses as much as digits as its factorization.

20202200423 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20202200423 its reverse (32400220202), we get a palindrome (52602420625).

The spelling of 20202200423 in words is "twenty billion, two hundred two million, two hundred thousand, four hundred twenty-three".