20038982 has 16 divisors (see below), whose sum is σ = 31026240. Its totient is φ = 9701952.

The previous prime is 20038981. The next prime is 20038987. The reversal of 20038982 is 28983002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20038981) by changing a digit.

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, 7178 + ... + 9570.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^20038982 is an apocalyptic number.

20038982 is a deficient number, since it is larger than the sum of its proper divisors (10987258).

20038982 is a wasteful number, since it uses less digits than its factorization.

20038982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 20038982 is about 4476.4921534612. The cubic root of 20038982 is about 271.6180029176.

The spelling of 20038982 in words is "twenty million, thirty-eight thousand, nine hundred eighty-two".