20203343089 has 2 divisors, whose sum is σ = 20203343090. Its totient is φ = 20203343088.

The previous prime is 20203343081. The next prime is 20203343113. The reversal of 20203343089 is 98034330202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15467150689 + 4736192400 = 124367^2 + 68820^2 .

It is a cyclic number.

It is not a de Polignac number, because 20203343089 - 2³ = 20203343081 is a prime.

It is not a weakly prime, because it can be changed into another prime (20203343081) 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, 10101671544 + 10101671545.

It is an arithmetic number, because the mean of its divisors is an integer number (10101671545).

Almost surely, 2^20203343089 is an apocalyptic number.

It is an amenable number.

20203343089 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203343089 is an equidigital number, since it uses as much as digits as its factorization.

20203343089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 20203343089 in words is "twenty billion, two hundred three million, three hundred forty-three thousand, eighty-nine".