20086286 has 8 divisors (see below), whose sum is σ = 32868504. Its totient is φ = 9130120.

The previous prime is 20086273. The next prime is 20086309. The reversal of 20086286 is 68268002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 456485 + ... + 456528.

It is an arithmetic number, because the mean of its divisors is an integer number (4108563).

Almost surely, 2^20086286 is an apocalyptic number.

20086286 is a deficient number, since it is larger than the sum of its proper divisors (12782218).

20086286 is a wasteful number, since it uses less digits than its factorization.

20086286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913026.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 20086286 is about 4481.7726403734. The cubic root of 20086286 is about 271.8315620213.

The spelling of 20086286 in words is "twenty million, eighty-six thousand, two hundred eighty-six".