20444106 has 8 divisors (see below), whose sum is σ = 40888224. Its totient is φ = 6814700.

The previous prime is 20444087. The next prime is 20444111. The reversal of 20444106 is 60144402.

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

20444106 is an admirable number.

It is a super-2 number, since 2×20444106² = 835922940278472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703670 + ... + 1703681.

It is an arithmetic number, because the mean of its divisors is an integer number (5111028).

Almost surely, 2^20444106 is an apocalyptic number.

20444106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20444106 is a wasteful number, since it uses less digits than its factorization.

20444106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407356.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20444106 is about 4521.5158962454. The cubic root of 20444106 is about 273.4362197774.

Adding to 20444106 its reverse (60144402), we get a palindrome (80588508).

The spelling of 20444106 in words is "twenty million, four hundred forty-four thousand, one hundred six".