20226168 has 96 divisors (see below), whose sum is σ = 57657600. Its totient is φ = 6398784.

The previous prime is 20226163. The next prime is 20226179. The reversal of 20226168 is 86162202.

20226168 is a `hidden beast` number, since 20 + 22 + 616 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20226163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145443 + ... + 145581.

It is an arithmetic number, because the mean of its divisors is an integer number (600600).

Almost surely, 2^20226168 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 20226168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28828800).

20226168 is an abundant number, since it is smaller than the sum of its proper divisors (37431432).

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

20226168 is a wasteful number, since it uses less digits than its factorization.

20226168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20226168 is about 4497.3512204408. The cubic root of 20226168 is about 272.4611194984.

The spelling of 20226168 in words is "twenty million, two hundred twenty-six thousand, one hundred sixty-eight".