20227168182 has 64 divisors (see below), whose sum is σ = 45101952000. Its totient is φ = 6004672128.

The previous prime is 20227168141. The next prime is 20227168183. The reversal of 20227168182 is 28186172202.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 20227168182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20227168183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4247919 + ... + 4252677.

It is an arithmetic number, because the mean of its divisors is an integer number (704718000).

Almost surely, 2^20227168182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20227168182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22550976000).

20227168182 is an abundant number, since it is smaller than the sum of its proper divisors (24874783818).

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

20227168182 is a wasteful number, since it uses less digits than its factorization.

20227168182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 20227168182 in words is "twenty billion, two hundred twenty-seven million, one hundred sixty-eight thousand, one hundred eighty-two".