20032836 has 24 divisors (see below), whose sum is σ = 48007680. Its totient is φ = 6496992.

The previous prime is 20032829. The next prime is 20032847. The reversal of 20032836 is 63823002.

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 7 ways as a sum of consecutive naturals, for example, 22116 + ... + 23003.

It is an arithmetic number, because the mean of its divisors is an integer number (2000320).

Almost surely, 2^20032836 is an apocalyptic number.

It is an amenable number.

20032836 is an abundant number, since it is smaller than the sum of its proper divisors (27974844).

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

20032836 is a wasteful number, since it uses less digits than its factorization.

20032836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45163 (or 45161 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20032836 is about 4475.8056258064. The cubic root of 20032836 is about 271.5902314646.

Adding to 20032836 its reverse (63823002), we get a palindrome (83855838).

The spelling of 20032836 in words is "twenty million, thirty-two thousand, eight hundred thirty-six".