20036005 has 8 divisors (see below), whose sum is σ = 26229024. Its totient is φ = 14571600.

The previous prime is 20035997. The next prime is 20036011. The reversal of 20036005 is 50063002.

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

It is not a de Polignac number, because 20036005 - 2³ = 20035997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20036005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182091 + ... + 182200.

It is an arithmetic number, because the mean of its divisors is an integer number (3278628).

Almost surely, 2^20036005 is an apocalyptic number.

It is an amenable number.

20036005 is a deficient number, since it is larger than the sum of its proper divisors (6193019).

20036005 is a wasteful number, since it uses less digits than its factorization.

20036005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364307.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20036005 is about 4476.1596262868. The cubic root of 20036005 is about 271.6045516881.

Adding to 20036005 its reverse (50063002), we get a palindrome (70099007).

It can be divided in two parts, 2003 and 6005, that added together give a palindrome (8008).

The spelling of 20036005 in words is "twenty million, thirty-six thousand, five".