20565068 has 12 divisors (see below), whose sum is σ = 37883160. Its totient is φ = 9741312.

The previous prime is 20565001. The next prime is 20565073. The reversal of 20565068 is 86056502.

It is a happy 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, 135221 + ... + 135372.

It is an arithmetic number, because the mean of its divisors is an integer number (3156930).

Almost surely, 2^20565068 is an apocalyptic number.

It is an amenable number.

20565068 is a deficient number, since it is larger than the sum of its proper divisors (17318092).

20565068 is a wasteful number, since it uses less digits than its factorization.

20565068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270616 (or 270614 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 20565068 is about 4534.8724348100. The cubic root of 20565068 is about 273.9744412908.

The spelling of 20565068 in words is "twenty million, five hundred sixty-five thousand, sixty-eight".