20286395 has 12 divisors (see below), whose sum is σ = 25694640. Its totient is φ = 15373584.

The previous prime is 20286379. The next prime is 20286401. The reversal of 20286395 is 59368202.

It is not a de Polignac number, because 20286395 - 2⁴ = 20286379 is a prime.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3815 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (2141220).

Almost surely, 2^20286395 is an apocalyptic number.

20286395 is a deficient number, since it is larger than the sum of its proper divisors (5408245).

20286395 is a wasteful number, since it uses less digits than its factorization.

20286395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282 (or 11263 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 20286395 is about 4504.0420735157. The cubic root of 20286395 is about 272.7312852777.

The spelling of 20286395 in words is "twenty million, two hundred eighty-six thousand, three hundred ninety-five".