20441838 has 8 divisors (see below), whose sum is σ = 40883688. Its totient is φ = 6813944.

The previous prime is 20441833. The next prime is 20441849. The reversal of 20441838 is 83814402.

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

20441838 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441831) by changing a digit.

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, 1703481 + ... + 1703492.

It is an arithmetic number, because the mean of its divisors is an integer number (5110461).

Almost surely, 2^20441838 is an apocalyptic number.

20441838 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.

20441838 is a wasteful number, since it uses less digits than its factorization.

20441838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406978.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 20441838 is about 4521.2650884459. The cubic root of 20441838 is about 273.4261080402.

The spelling of 20441838 in words is "twenty million, four hundred forty-one thousand, eight hundred thirty-eight".