20182910112 has 144 divisors (see below), whose sum is σ = 58101661800. Its totient is φ = 6645252096.

The previous prime is 20182910107. The next prime is 20182910147. The reversal of 20182910112 is 21101928102.

It can be written as a sum of positive squares in 4 ways, for example, as 13866475536 + 6316434576 = 117756^2 + 79476^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11356968 + ... + 11358744.

Almost surely, 2^20182910112 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 20182910112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29050830900).

20182910112 is an abundant number, since it is smaller than the sum of its proper divisors (37918751688).

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

20182910112 is a wasteful number, since it uses less digits than its factorization.

20182910112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2244 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 20182910112 in words is "twenty billion, one hundred eighty-two million, nine hundred ten thousand, one hundred twelve".