20200323289 has 2 divisors, whose sum is σ = 20200323290. Its totient is φ = 20200323288.

The previous prime is 20200323281. The next prime is 20200323293. The reversal of 20200323289 is 98232300202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16246051600 + 3954271689 = 127460^2 + 62883^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200323289 - 2³ = 20200323281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20200323289.

It is not a weakly prime, because it can be changed into another prime (20200323281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100161644 + 10100161645.

It is an arithmetic number, because the mean of its divisors is an integer number (10100161645).

Almost surely, 2^20200323289 is an apocalyptic number.

It is an amenable number.

20200323289 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200323289 is an equidigital number, since it uses as much as digits as its factorization.

20200323289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 20200323289 in words is "twenty billion, two hundred million, three hundred twenty-three thousand, two hundred eighty-nine".