20741944 has 16 divisors (see below), whose sum is σ = 39018600. Its totient is φ = 10336992.

The previous prime is 20741879. The next prime is 20741947. The reversal of 20741944 is 44914702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20741947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554 + ... + 6625.

Almost surely, 2^20741944 is an apocalyptic number.

It is an amenable number.

20741944 is a deficient number, since it is larger than the sum of its proper divisors (18276656).

20741944 is a wasteful number, since it uses less digits than its factorization.

20741944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502 (or 8498 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 20741944 is about 4554.3324428504. The cubic root of 20741944 is about 274.7576664050.

The spelling of 20741944 in words is "twenty million, seven hundred forty-one thousand, nine hundred forty-four".