20143301 has 2 divisors, whose sum is σ = 20143302. Its totient is φ = 20143300.

The previous prime is 20143297. The next prime is 20143327. The reversal of 20143301 is 10334102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19351201 + 792100 = 4399^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 20143301 - 2² = 20143297 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20143381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071650 + 10071651.

It is an arithmetic number, because the mean of its divisors is an integer number (10071651).

Almost surely, 2^20143301 is an apocalyptic number.

It is an amenable number.

20143301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20143301 is an equidigital number, since it uses as much as digits as its factorization.

20143301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20143301 is about 4488.1288974360. The cubic root of 20143301 is about 272.0885173627.

Adding to 20143301 its reverse (10334102), we get a palindrome (30477403).

The spelling of 20143301 in words is "twenty million, one hundred forty-three thousand, three hundred one".