20168352 has 120 divisors (see below), whose sum is σ = 61471872. Its totient is φ = 6480000.

The previous prime is 20168347. The next prime is 20168359. The reversal of 20168352 is 25386102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20168359) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 80227 + ... + 80477.

Almost surely, 2^20168352 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 20168352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30735936).

20168352 is an abundant number, since it is smaller than the sum of its proper divisors (41303520).

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

20168352 is a wasteful number, since it uses less digits than its factorization.

20168352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 20168352 is about 4490.9188369419. The cubic root of 20168352 is about 272.2012639579.

The spelling of 20168352 in words is "twenty million, one hundred sixty-eight thousand, three hundred fifty-two".