20441894 has 32 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 8747200.

The previous prime is 20441887. The next prime is 20441921. The reversal of 20441894 is 49814402.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20441894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35642 + ... + 36210.

It is an arithmetic number, because the mean of its divisors is an integer number (1108080).

Almost surely, 2^20441894 is an apocalyptic number.

20441894 is a deficient number, since it is larger than the sum of its proper divisors (15016666).

20441894 is a wasteful number, since it uses less digits than its factorization.

20441894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 20441894 is about 4521.2712813986. The cubic root of 20441894 is about 273.4263577218.

The spelling of 20441894 in words is "twenty million, four hundred forty-one thousand, eight hundred ninety-four".