2000821340668 has 24 divisors (see below), whose sum is σ = 3551886818480. Its totient is φ = 986015721600.

The previous prime is 2000821340653. The next prime is 2000821340671. The reversal of 2000821340668 is 8660431280002.

It is a self number, because there is not a number n which added to its sum of digits gives 2000821340668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980258 + ... + 2814793.

Almost surely, 2^{2000821340668} is an apocalyptic number.

It is an amenable number.

2000821340668 is a deficient number, since it is larger than the sum of its proper divisors (1551065477812).

2000821340668 is a wasteful number, since it uses less digits than its factorization.

2000821340668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796557 (or 4796555 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 2000821340668 in words is "two trillion, eight hundred twenty-one million, three hundred forty thousand, six hundred sixty-eight".