20008246 has 8 divisors (see below), whose sum is σ = 30744504. Its totient is φ = 9760080.

The previous prime is 20008243. The next prime is 20008249. The reversal of 20008246 is 64280002.

It is an interprime number because it is at equal distance from previous prime (20008243) and next prime (20008249).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20008243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121920 + ... + 122083.

It is an arithmetic number, because the mean of its divisors is an integer number (3843063).

Almost surely, 2^20008246 is an apocalyptic number.

20008246 is a deficient number, since it is larger than the sum of its proper divisors (10736258).

20008246 is a wasteful number, since it uses less digits than its factorization.

20008246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244046.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20008246 is about 4473.0577908183. The cubic root of 20008246 is about 271.4790616798.

Adding to 20008246 its reverse (64280002), we get a palindrome (84288248).

The spelling of 20008246 in words is "twenty million, eight thousand, two hundred forty-six".