2000812140 has 36 divisors (see below), whose sum is σ = 6069130704. Its totient is φ = 533549856.

The previous prime is 2000812087. The next prime is 2000812141. The reversal of 2000812140 is 412180002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2000812141) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5557632 + ... + 5557991.

It is an arithmetic number, because the mean of its divisors is an integer number (168586964).

Almost surely, 2^2000812140 is an apocalyptic number.

2000812140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000812140 is an abundant number, since it is smaller than the sum of its proper divisors (4068318564).

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

2000812140 is a wasteful number, since it uses less digits than its factorization.

2000812140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115638 (or 11115633 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2000812140 is about 44730.4386296401. The cubic root of 2000812140 is about 1260.0915655301.

Adding to 2000812140 its reverse (412180002), we get a palindrome (2412992142).

The spelling of 2000812140 in words is "two billion, eight hundred twelve thousand, one hundred forty".