20038246 has 8 divisors (see below), whose sum is σ = 31093920. Its totient is φ = 9673608.

The previous prime is 20038243. The next prime is 20038247. The reversal of 20038246 is 64283002.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20038246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20038241) 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 3 ways as a sum of consecutive naturals, for example, 172686 + ... + 172801.

It is an arithmetic number, because the mean of its divisors is an integer number (3886740).

Almost surely, 2^20038246 is an apocalyptic number.

20038246 is a deficient number, since it is larger than the sum of its proper divisors (11055674).

20038246 is a wasteful number, since it uses less digits than its factorization.

20038246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345518.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20038246 is about 4476.4099454809. The cubic root of 20038246 is about 271.6146775109.

The spelling of 20038246 in words is "twenty million, thirty-eight thousand, two hundred forty-six".