20444122 has 8 divisors (see below), whose sum is σ = 30900672. Its totient is φ = 10143900.

The previous prime is 20444113. The next prime is 20444147. The reversal of 20444122 is 22144402.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20444122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38754 + ... + 39277.

It is an arithmetic number, because the mean of its divisors is an integer number (3862584).

Almost surely, 2^20444122 is an apocalyptic number.

20444122 is a deficient number, since it is larger than the sum of its proper divisors (10456550).

20444122 is a wasteful number, since it uses less digits than its factorization.

20444122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78164.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 20444122 is about 4521.5176655632. The cubic root of 20444122 is about 273.4362911098.

Adding to 20444122 its reverse (22144402), we get a palindrome (42588524).

The spelling of 20444122 in words is "twenty million, four hundred forty-four thousand, one hundred twenty-two".