20227008 has 56 divisors (see below), whose sum is σ = 56674512. Its totient is φ = 6344704.

The previous prime is 20227003. The next prime is 20227027. The reversal of 20227008 is 80072202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20227003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 6362.

Almost surely, 2^20227008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20227008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28337256).

20227008 is an abundant number, since it is smaller than the sum of its proper divisors (36447504).

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

20227008 is a wasteful number, since it uses less digits than its factorization.

20227008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229 (or 6219 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 20227008 is about 4497.4446077745. Note that the first 3 decimals coincide. The cubic root of 20227008 is about 272.4648912488.

The spelling of 20227008 in words is "twenty million, two hundred twenty-seven thousand, eight".