20036995 has 12 divisors (see below), whose sum is σ = 26429760. Its totient is φ = 14571920.

The previous prime is 20036983. The next prime is 20037013. The reversal of 20036995 is 59963002.

It is a happy number.

It is not a de Polignac number, because 20036995 - 2⁹ = 20036483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20036995.

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 11 ways as a sum of consecutive naturals, for example, 15955 + ... + 17164.

It is an arithmetic number, because the mean of its divisors is an integer number (2202480).

Almost surely, 2^20036995 is an apocalyptic number.

20036995 is a deficient number, since it is larger than the sum of its proper divisors (6392765).

20036995 is a wasteful number, since it uses less digits than its factorization.

20036995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33146 (or 33135 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 20036995 is about 4476.2702107893. The cubic root of 20036995 is about 271.6090250362.

Adding to 20036995 its reverse (59963002), we get a palindrome (79999997).

It can be divided in two parts, 2003 and 6995, that added together give a palindrome (8998).

The spelling of 20036995 in words is "twenty million, thirty-six thousand, nine hundred ninety-five".