22020343 has 4 divisors (see below), whose sum is σ = 22532488. Its totient is φ = 21508200.

The previous prime is 22020337. The next prime is 22020353. The reversal of 22020343 is 34302022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22020343 - 2⁵ = 22020311 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 (22020353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256008 + ... + 256093.

It is an arithmetic number, because the mean of its divisors is an integer number (5633122).

Almost surely, 2^22020343 is an apocalyptic number.

22020343 is a deficient number, since it is larger than the sum of its proper divisors (512145).

22020343 is an equidigital number, since it uses as much as digits as its factorization.

22020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512144.

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

The square root of 22020343 is about 4692.5838298319. The cubic root of 22020343 is about 280.2902729528.

Adding to 22020343 its reverse (34302022), we get a palindrome (56322365).

The spelling of 22020343 in words is "twenty-two million, twenty thousand, three hundred forty-three".