20204222443 has 2 divisors, whose sum is σ = 20204222444. Its totient is φ = 20204222442.

The previous prime is 20204222417. The next prime is 20204222459. The reversal of 20204222443 is 34422240202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20204222443 - 2⁵ = 20204222411 is a prime.

It is not a weakly prime, because it can be changed into another prime (20204222473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10102111221 + 10102111222.

It is an arithmetic number, because the mean of its divisors is an integer number (10102111222).

Almost surely, 2^20204222443 is an apocalyptic number.

20204222443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20204222443 is an equidigital number, since it uses as much as digits as its factorization.

20204222443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20204222443 its reverse (34422240202), we get a palindrome (54626462645).

The spelling of 20204222443 in words is "twenty billion, two hundred four million, two hundred twenty-two thousand, four hundred forty-three".