2000643112 has 64 divisors (see below), whose sum is σ = 4192594560. Its totient is φ = 889056000.

The previous prime is 2000643091. The next prime is 2000643143. The reversal of 2000643112 is 2113460002.

It is a self number, because there is not a number n which added to its sum of digits gives 2000643112.

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 15 ways as a sum of consecutive naturals, for example, 314362 + ... + 320662.

It is an arithmetic number, because the mean of its divisors is an integer number (65509290).

Almost surely, 2^2000643112 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 2000643112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096297280).

2000643112 is an abundant number, since it is smaller than the sum of its proper divisors (2191951448).

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

2000643112 is a wasteful number, since it uses less digits than its factorization.

2000643112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6434 (or 6430 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2000643112 is about 44728.5491828206. The cubic root of 2000643112 is about 1260.0560804803.

The spelling of 2000643112 in words is "two billion, six hundred forty-three thousand, one hundred twelve".