20348008 has 16 divisors (see below), whose sum is σ = 39811680. Its totient is φ = 9731568.

The previous prime is 20347991. The next prime is 20348017. The reversal of 20348008 is 80084302.

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 in 3 ways as a sum of consecutive naturals, for example, 55110 + ... + 55477.

It is an arithmetic number, because the mean of its divisors is an integer number (2488230).

Almost surely, 2^20348008 is an apocalyptic number.

It is an amenable number.

20348008 is a deficient number, since it is larger than the sum of its proper divisors (19463672).

20348008 is a wasteful number, since it uses less digits than its factorization.

20348008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110616 (or 110612 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20348008 is about 4510.8766332056. The cubic root of 20348008 is about 273.0071156129.

The spelling of 20348008 in words is "twenty million, three hundred forty-eight thousand, eight".