20286814 has 8 divisors (see below), whose sum is σ = 32220288. Its totient is φ = 9546720.

The previous prime is 20286811. The next prime is 20286829. The reversal of 20286814 is 41868202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20286811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298302 + ... + 298369.

It is an arithmetic number, because the mean of its divisors is an integer number (4027536).

Almost surely, 2^20286814 is an apocalyptic number.

20286814 is a deficient number, since it is larger than the sum of its proper divisors (11933474).

20286814 is a wasteful number, since it uses less digits than its factorization.

20286814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596690.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 20286814 is about 4504.0885870507. The cubic root of 20286814 is about 272.7331629502.

The spelling of 20286814 in words is "twenty million, two hundred eighty-six thousand, eight hundred fourteen".