2000646244 has 24 divisors (see below), whose sum is σ = 3569328000. Its totient is φ = 981009120.

The previous prime is 2000646239. The next prime is 2000646247. The reversal of 2000646244 is 4426460002.

It is not an unprimeable number, because it can be changed into a prime (2000646247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25839 + ... + 68329.

It is an arithmetic number, because the mean of its divisors is an integer number (148722000).

Almost surely, 2^2000646244 is an apocalyptic number.

It is an amenable number.

2000646244 is a deficient number, since it is larger than the sum of its proper divisors (1568681756).

2000646244 is a wasteful number, since it uses less digits than its factorization.

2000646244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42723 (or 42721 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2000646244 is about 44728.5841940028. The cubic root of 2000646244 is about 1260.0567380178.

The spelling of 2000646244 in words is "two billion, six hundred forty-six thousand, two hundred forty-four".