20944573 has 8 divisors (see below), whose sum is σ = 22625568. Its totient is φ = 19273584.

The previous prime is 20944571. The next prime is 20944577. The reversal of 20944573 is 37544902.

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

It is a cyclic number.

It is not a de Polignac number, because 20944573 - 2¹ = 20944571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20944571) 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 7 ways as a sum of consecutive naturals, for example, 2190 + ... + 6832.

It is an arithmetic number, because the mean of its divisors is an integer number (2828196).

Almost surely, 2^20944573 is an apocalyptic number.

It is an amenable number.

20944573 is a deficient number, since it is larger than the sum of its proper divisors (1680995).

20944573 is a wasteful number, since it uses less digits than its factorization.

20944573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 20944573 is about 4576.5241177120. The cubic root of 20944573 is about 275.6494753762.

The spelling of 20944573 in words is "twenty million, nine hundred forty-four thousand, five hundred seventy-three".