20060065 has 4 divisors (see below), whose sum is σ = 24072084. Its totient is φ = 16048048.

The previous prime is 20060009. The next prime is 20060087. The reversal of 20060065 is 56006002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16032016 + 4028049 = 4004^2 + 2007^2 .

It is a cyclic number.

It is not a de Polignac number, because 20060065 - 2⁷ = 20059937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006002 + ... + 2006011.

It is an arithmetic number, because the mean of its divisors is an integer number (6018021).

Almost surely, 2^20060065 is an apocalyptic number.

It is an amenable number.

20060065 is a deficient number, since it is larger than the sum of its proper divisors (4012019).

20060065 is an equidigital number, since it uses as much as digits as its factorization.

20060065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4012018.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20060065 is about 4478.8463916504. The cubic root of 20060065 is about 271.7132259058.

Adding to 20060065 its reverse (56006002), we get a palindrome (76066067).

The spelling of 20060065 in words is "twenty million, sixty thousand, sixty-five".