20444604 has 12 divisors (see below), whose sum is σ = 47704104. Its totient is φ = 6814864.

The previous prime is 20444579. The next prime is 20444639. The reversal of 20444604 is 40644402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 851847 + ... + 851870.

It is an arithmetic number, because the mean of its divisors is an integer number (3975342).

Almost surely, 2^20444604 is an apocalyptic number.

It is an amenable number.

20444604 is an abundant number, since it is smaller than the sum of its proper divisors (27259500).

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

20444604 is a wasteful number, since it uses less digits than its factorization.

20444604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703724 (or 1703722 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 20444604 is about 4521.5709659365. The cubic root of 20444604 is about 273.4384399794.

The spelling of 20444604 in words is "twenty million, four hundred forty-four thousand, six hundred four".