20220343 has 24 divisors (see below), whose sum is σ = 24375600. Its totient is φ = 16623360.

The previous prime is 20220331. The next prime is 20220349. The reversal of 20220343 is 34302202.

It is not a de Polignac number, because 20220343 - 2⁵ = 20220311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220349) 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 in 23 ways as a sum of consecutive naturals, for example, 135633 + ... + 135781.

It is an arithmetic number, because the mean of its divisors is an integer number (1015650).

Almost surely, 2^20220343 is an apocalyptic number.

20220343 is a deficient number, since it is larger than the sum of its proper divisors (4155257).

20220343 is a wasteful number, since it uses less digits than its factorization.

20220343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20220343 is about 4496.7035703947. The cubic root of 20220343 is about 272.4349613320.

Adding to 20220343 its reverse (34302202), we get a palindrome (54522545).

The spelling of 20220343 in words is "twenty million, two hundred twenty thousand, three hundred forty-three".