20285682 has 8 divisors (see below), whose sum is σ = 40571376. Its totient is φ = 6761892.

The previous prime is 20285677. The next prime is 20285719. The reversal of 20285682 is 28658202.

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

20285682 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690468 + ... + 1690479.

It is an arithmetic number, because the mean of its divisors is an integer number (5071422).

Almost surely, 2^20285682 is an apocalyptic number.

20285682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20285682 is a wasteful number, since it uses less digits than its factorization.

20285682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380952.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 20285682 is about 4503.9629216946. The cubic root of 20285682 is about 272.7280900380.

The spelling of 20285682 in words is "twenty million, two hundred eighty-five thousand, six hundred eighty-two".