20270008 has 16 divisors (see below), whose sum is σ = 41461560. Its totient is φ = 9213600.

The previous prime is 20269999. The next prime is 20270027. The reversal of 20270008 is 80007202.

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 in 3 ways as a sum of consecutive naturals, for example, 115083 + ... + 115258.

Almost surely, 2^20270008 is an apocalyptic number.

It is an amenable number.

20270008 is an abundant number, since it is smaller than the sum of its proper divisors (21191552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20270008 is a wasteful number, since it uses less digits than its factorization.

20270008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230358 (or 230354 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 20270008 is about 4502.2225622463. Note that the first 3 decimals coincide. The cubic root of 20270008 is about 272.6578296192.

The spelling of 20270008 in words is "twenty million, two hundred seventy thousand, eight".