20227273 has 4 divisors (see below), whose sum is σ = 22066128. Its totient is φ = 18388420.

The previous prime is 20227247. The next prime is 20227279. The reversal of 20227273 is 37272202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20227273 - 2⁵ = 20227241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20227279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919411 + ... + 919432.

It is an arithmetic number, because the mean of its divisors is an integer number (5516532).

Almost surely, 2^20227273 is an apocalyptic number.

It is an amenable number.

20227273 is a deficient number, since it is larger than the sum of its proper divisors (1838855).

20227273 is a wasteful number, since it uses less digits than its factorization.

20227273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838854.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 20227273 is about 4497.4740688524. The cubic root of 20227273 is about 272.4660811245.

Adding to 20227273 its reverse (37272202), we get a palindrome (57499475).

The spelling of 20227273 in words is "twenty million, two hundred twenty-seven thousand, two hundred seventy-three".