20227695 has 16 divisors (see below), whose sum is σ = 33772032. Its totient is φ = 10318880.

The previous prime is 20227693. The next prime is 20227709. The reversal of 20227695 is 59672202.

It is a happy number.

It is not a de Polignac number, because 20227695 - 2¹ = 20227693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20227693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28971 + ... + 29660.

It is an arithmetic number, because the mean of its divisors is an integer number (2110752).

Almost surely, 2^20227695 is an apocalyptic number.

20227695 is a deficient number, since it is larger than the sum of its proper divisors (13544337).

20227695 is a wasteful number, since it uses less digits than its factorization.

20227695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58662.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 20227695 is about 4497.5209838310. The cubic root of 20227695 is about 272.4679759241.

Adding to 20227695 its reverse (59672202), we get a palindrome (79899897).

The spelling of 20227695 in words is "twenty million, two hundred twenty-seven thousand, six hundred ninety-five".