20203004443 has 2 divisors, whose sum is σ = 20203004444. Its totient is φ = 20203004442.

The previous prime is 20203004441. The next prime is 20203004533. The reversal of 20203004443 is 34440030202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20203004443 - 2¹ = 20203004441 is a prime.

It is a super-2 number, since 2×20203004443² (a number of 21 digits) contains 22 as substring.

Together with 20203004441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20203004441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101502221 + 10101502222.

It is an arithmetic number, because the mean of its divisors is an integer number (10101502222).

Almost surely, 2^20203004443 is an apocalyptic number.

20203004443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203004443 is an equidigital number, since it uses as much as digits as its factorization.

20203004443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20203004443 its reverse (34440030202), we get a palindrome (54643034645).

The spelling of 20203004443 in words is "twenty billion, two hundred three million, four thousand, four hundred forty-three".