22020046 has 4 divisors (see below), whose sum is σ = 33030072. Its totient is φ = 11010022.

The previous prime is 22020029. The next prime is 22020059. The reversal of 22020046 is 64002022.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505010 + ... + 5505013.

It is an arithmetic number, because the mean of its divisors is an integer number (8257518).

Almost surely, 2^22020046 is an apocalyptic number.

22020046 is a deficient number, since it is larger than the sum of its proper divisors (11010026).

22020046 is a wasteful number, since it uses less digits than its factorization.

22020046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010025.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22020046 is about 4692.5521840465. The cubic root of 22020046 is about 280.2890128061.

Adding to 22020046 its reverse (64002022), we get a palindrome (86022068).

The spelling of 22020046 in words is "twenty-two million, twenty thousand, forty-six".