20441672 has 16 divisors (see below), whose sum is σ = 38376240. Its totient is φ = 10208016.

The previous prime is 20441669. The next prime is 20441677. The reversal of 20441672 is 27614402.

It is not an unprimeable number, because it can be changed into a prime (20441677) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11003 + ... + 12725.

It is an arithmetic number, because the mean of its divisors is an integer number (2398515).

Almost surely, 2^20441672 is an apocalyptic number.

It is an amenable number.

20441672 is a deficient number, since it is larger than the sum of its proper divisors (17934568).

20441672 is a wasteful number, since it uses less digits than its factorization.

20441672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 20441672 is about 4521.2467307149. The cubic root of 20441672 is about 273.4253679102.

The spelling of 20441672 in words is "twenty million, four hundred forty-one thousand, six hundred seventy-two".