20200443229 has 2 divisors, whose sum is σ = 20200443230. Its totient is φ = 20200443228.

The previous prime is 20200443191. The next prime is 20200443269. The reversal of 20200443229 is 92234400202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17464944025 + 2735499204 = 132155^2 + 52302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200443229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200443197 and 20200443206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200443269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100221614 + 10100221615.

It is an arithmetic number, because the mean of its divisors is an integer number (10100221615).

Almost surely, 2^20200443229 is an apocalyptic number.

It is an amenable number.

20200443229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200443229 is an equidigital number, since it uses as much as digits as its factorization.

20200443229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 20200443229 in words is "twenty billion, two hundred million, four hundred forty-three thousand, two hundred twenty-nine".