20092687 has 2 divisors, whose sum is σ = 20092688. Its totient is φ = 20092686.

The previous prime is 20092673. The next prime is 20092741. The reversal of 20092687 is 78629002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20092687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20092187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046343 + 10046344.

It is an arithmetic number, because the mean of its divisors is an integer number (10046344).

Almost surely, 2^20092687 is an apocalyptic number.

20092687 is a deficient number, since it is larger than the sum of its proper divisors (1).

20092687 is an equidigital number, since it uses as much as digits as its factorization.

20092687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 20092687 is about 4482.4866982513. The cubic root of 20092687 is about 271.8604342749.

The spelling of 20092687 in words is "twenty million, ninety-two thousand, six hundred eighty-seven".