20741344 has 48 divisors (see below), whose sum is σ = 44643312. Its totient is φ = 9427968.

The previous prime is 20741341. The next prime is 20741363. The reversal of 20741344 is 44314702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20741341) 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 7 ways as a sum of consecutive naturals, for example, 30027 + ... + 30709.

It is an arithmetic number, because the mean of its divisors is an integer number (930069).

Almost surely, 2^20741344 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 20741344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22321656).

20741344 is an abundant number, since it is smaller than the sum of its proper divisors (23901968).

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

20741344 is a wasteful number, since it uses less digits than its factorization.

20741344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 20741344 is about 4554.2665710299. The cubic root of 20741344 is about 274.7550170842.

The spelling of 20741344 in words is "twenty million, seven hundred forty-one thousand, three hundred forty-four".