2002220999966 has 16 divisors (see below), whose sum is σ = 3276532909440. Its totient is φ = 910052878680.

The previous prime is 2002220999957. The next prime is 2002220999969. The reversal of 2002220999966 is 6699990222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002220999969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946636 + ... + 2791743.

It is an arithmetic number, because the mean of its divisors is an integer number (204783306840).

Almost surely, 2^{2002220999966} is an apocalyptic number.

2002220999966 is a deficient number, since it is larger than the sum of its proper divisors (1274311909474).

2002220999966 is a wasteful number, since it uses less digits than its factorization.

2002220999966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757599.

The product of its (nonzero) digits is 3779136, while the sum is 56.

The spelling of 2002220999966 in words is "two trillion, two billion, two hundred twenty million, nine hundred ninety-nine thousand, nine hundred sixty-six".