20114287 has 2 divisors, whose sum is σ = 20114288. Its totient is φ = 20114286.

The previous prime is 20114249. The next prime is 20114299. The reversal of 20114287 is 78241102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20114287 - 2¹⁵ = 20081519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20114207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057143 + 10057144.

It is an arithmetic number, because the mean of its divisors is an integer number (10057144).

Almost surely, 2^20114287 is an apocalyptic number.

20114287 is a deficient number, since it is larger than the sum of its proper divisors (1).

20114287 is an equidigital number, since it uses as much as digits as its factorization.

20114287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 20114287 is about 4484.8954279894. The cubic root of 20114287 is about 271.9578176729.

Adding to 20114287 its reverse (78241102), we get a palindrome (98355389).

The spelling of 20114287 in words is "twenty million, one hundred fourteen thousand, two hundred eighty-seven".