20433422 has 8 divisors (see below), whose sum is σ = 32453136. Its totient is φ = 9615712.

The previous prime is 20433409. The next prime is 20433437. The reversal of 20433422 is 22433402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20433394 and 20433403.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 300458 + ... + 300525.

It is an arithmetic number, because the mean of its divisors is an integer number (4056642).

Almost surely, 2^20433422 is an apocalyptic number.

20433422 is a deficient number, since it is larger than the sum of its proper divisors (12019714).

20433422 is a wasteful number, since it uses less digits than its factorization.

20433422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601002.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 20433422 is about 4520.3342796745. The cubic root of 20433422 is about 273.3885792884.

Subtracting from 20433422 its sum of digits (20), we obtain a palindrome (20433402).

Adding to 20433422 its reverse (22433402), we get a palindrome (42866824).

The spelling of 20433422 in words is "twenty million, four hundred thirty-three thousand, four hundred twenty-two".