20286696 has 16 divisors (see below), whose sum is σ = 50716800. Its totient is φ = 6762224.

The previous prime is 20286671. The next prime is 20286697. The reversal of 20286696 is 69668202.

It is not an unprimeable number, because it can be changed into a prime (20286697) 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, 422616 + ... + 422663.

It is an arithmetic number, because the mean of its divisors is an integer number (3169800).

Almost surely, 2^20286696 is an apocalyptic number.

It is an amenable number.

20286696 is an abundant number, since it is smaller than the sum of its proper divisors (30430104).

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

20286696 is a wasteful number, since it uses less digits than its factorization.

20286696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845288 (or 845284 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 20286696 is about 4504.0754878221. The cubic root of 20286696 is about 272.7326341572.

The spelling of 20286696 in words is "twenty million, two hundred eighty-six thousand, six hundred ninety-six".