20246008 has 8 divisors (see below), whose sum is σ = 37961280. Its totient is φ = 10123000.

The previous prime is 20245999. The next prime is 20246011. The reversal of 20246008 is 80064202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20246008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265368 + ... + 1265383.

It is an arithmetic number, because the mean of its divisors is an integer number (4745160).

Almost surely, 2^20246008 is an apocalyptic number.

It is an amenable number.

20246008 is a deficient number, since it is larger than the sum of its proper divisors (17715272).

20246008 is a wasteful number, since it uses less digits than its factorization.

20246008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530757 (or 2530753 counting only the distinct ones).

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

The square root of 20246008 is about 4499.5564225821. The cubic root of 20246008 is about 272.5501767714.

The spelling of 20246008 in words is "twenty million, two hundred forty-six thousand, eight".