20200343 has 2 divisors, whose sum is σ = 20200344. Its totient is φ = 20200342.

The previous prime is 20200337. The next prime is 20200387. The reversal of 20200343 is 34300202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20200343 - 2⁸ = 20200087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100171 + 10100172.

It is an arithmetic number, because the mean of its divisors is an integer number (10100172).

Almost surely, 2^20200343 is an apocalyptic number.

20200343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200343 is an equidigital number, since it uses as much as digits as its factorization.

20200343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20200343 is about 4494.4791689360. The cubic root of 20200343 is about 272.3451096307.

Adding to 20200343 its reverse (34300202), we get a palindrome (54500545).

The spelling of 20200343 in words is "twenty million, two hundred thousand, three hundred forty-three".