20773173 has 8 divisors (see below), whose sum is σ = 27900288. Its totient is φ = 13747424.

The previous prime is 20773153. The next prime is 20773177. The reversal of 20773173 is 37137702.

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 20773173 - 2¹³ = 20764981 is a prime.

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 20773173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20773177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24861 + ... + 25682.

It is an arithmetic number, because the mean of its divisors is an integer number (3487536).

Almost surely, 2^20773173 is an apocalyptic number.

It is an amenable number.

20773173 is a deficient number, since it is larger than the sum of its proper divisors (7127115).

20773173 is a wasteful number, since it uses less digits than its factorization.

20773173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50683.

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 20773173 is about 4557.7596470196. The cubic root of 20773173 is about 274.8954886611.

The spelling of 20773173 in words is "twenty million, seven hundred seventy-three thousand, one hundred seventy-three".