20444676 has 96 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 5405184.

The previous prime is 20444639. The next prime is 20444689. The reversal of 20444676 is 67644402.

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 31 ways as a sum of consecutive naturals, for example, 147015 + ... + 147153.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^20444676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20444676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29352960).

20444676 is an abundant number, since it is smaller than the sum of its proper divisors (38261244).

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

20444676 is a wasteful number, since it uses less digits than its factorization.

20444676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 20444676 is about 4521.5789277641. The cubic root of 20444676 is about 273.4387609694.

The spelling of 20444676 in words is "twenty million, four hundred forty-four thousand, six hundred seventy-six".