20071168 has 72 divisors (see below), whose sum is σ = 44583728. Its totient is φ = 8957952.

The previous prime is 20071159. The next prime is 20071187. The reversal of 20071168 is 86117002.

It is a super-3 number, since 3×20071168³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123055 + ... + 123217.

Almost surely, 2^20071168 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 20071168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22291864).

20071168 is an abundant number, since it is smaller than the sum of its proper divisors (24512560).

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

20071168 is a wasteful number, since it uses less digits than its factorization.

20071168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 20071168 is about 4480.0857134658. The cubic root of 20071168 is about 271.7633466395.

The spelling of 20071168 in words is "twenty million, seventy-one thousand, one hundred sixty-eight".