20173227 has 8 divisors (see below), whose sum is σ = 27033600. Its totient is φ = 13380840.

The previous prime is 20173213. The next prime is 20173243. The reversal of 20173227 is 72237102.

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

It is not a de Polignac number, because 20173227 - 2¹⁶ = 20107691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20173197 and 20173206.

It is not an unprimeable number, because it can be changed into a prime (20173207) 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, 16299 + ... + 17492.

It is an arithmetic number, because the mean of its divisors is an integer number (3379200).

Almost surely, 2^20173227 is an apocalyptic number.

20173227 is a deficient number, since it is larger than the sum of its proper divisors (6860373).

20173227 is a wasteful number, since it uses less digits than its factorization.

20173227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33993.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 20173227 is about 4491.4615661274. The cubic root of 20173227 is about 272.2231939312.

The spelling of 20173227 in words is "twenty million, one hundred seventy-three thousand, two hundred twenty-seven".