2002660040020 has 12 divisors (see below), whose sum is σ = 4205586084084. Its totient is φ = 801064016000.

The previous prime is 2002660039969. The next prime is 2002660040063. The reversal of 2002660040020 is 200400662002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1466065699344 + 536594340676 = 1210812^2 + 732526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002660039973 and 2002660040000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50066500981 + ... + 50066501020.

It is an arithmetic number, because the mean of its divisors is an integer number (350465507007).

Almost surely, 2^{2002660040020} is an apocalyptic number.

2002660040020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002660040020 is an abundant number, since it is smaller than the sum of its proper divisors (2202926044064).

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

2002660040020 is a wasteful number, since it uses less digits than its factorization.

2002660040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100133002010 (or 100133002008 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The spelling of 2002660040020 in words is "two trillion, two billion, six hundred sixty million, forty thousand, twenty".