20094808 has 8 divisors (see below), whose sum is σ = 37677780. Its totient is φ = 10047400.

The previous prime is 20094793. The next prime is 20094817. The reversal of 20094808 is 80849002.

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 20094808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255918 + ... + 1255933.

Almost surely, 2^20094808 is an apocalyptic number.

It is an amenable number.

20094808 is a deficient number, since it is larger than the sum of its proper divisors (17582972).

20094808 is a wasteful number, since it uses less digits than its factorization.

20094808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511857 (or 2511853 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 20094808 is about 4482.7232794363. The cubic root of 20094808 is about 271.8699998728.

It can be divided in two parts, 20094 and 808, that added together give a palindrome (20902).

The spelling of 20094808 in words is "twenty million, ninety-four thousand, eight hundred eight".