20043422 has 16 divisors (see below), whose sum is σ = 35469312. Its totient is φ = 8312760.

The previous prime is 20043409. The next prime is 20043433. The reversal of 20043422 is 22434002.

It is a self number, because there is not a number n which added to its sum of digits gives 20043422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22658 + ... + 23525.

It is an arithmetic number, because the mean of its divisors is an integer number (2216832).

Almost surely, 2^20043422 is an apocalyptic number.

20043422 is a deficient number, since it is larger than the sum of its proper divisors (15425890).

20043422 is a wasteful number, since it uses less digits than its factorization.

20043422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46223.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20043422 is about 4476.9880500176. The cubic root of 20043422 is about 271.6380620683.

Adding to 20043422 its reverse (22434002), we get a palindrome (42477424).

The spelling of 20043422 in words is "twenty million, forty-three thousand, four hundred twenty-two".