20228927 has 2 divisors, whose sum is σ = 20228928. Its totient is φ = 20228926.

The previous prime is 20228903. The next prime is 20228951. The reversal of 20228927 is 72982202.

It is a balanced prime because it is at equal distance from previous prime (20228903) and next prime (20228951).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20228927 is a prime.

It is equal to p_1284188 and since 20228927 and 1284188 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 20228893 and 20228902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20218927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10114463 + 10114464.

It is an arithmetic number, because the mean of its divisors is an integer number (10114464).

Almost surely, 2^20228927 is an apocalyptic number.

20228927 is a deficient number, since it is larger than the sum of its proper divisors (1).

20228927 is an equidigital number, since it uses as much as digits as its factorization.

20228927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 20228927 is about 4497.6579460871. The cubic root of 20228927 is about 272.4735075106.

The spelling of 20228927 in words is "twenty million, two hundred twenty-eight thousand, nine hundred twenty-seven".