2002200000020 has 48 divisors (see below), whose sum is σ = 4662052609536. Its totient is φ = 716137104000.

The previous prime is 2002199999939. The next prime is 2002200000043. The reversal of 2002200000020 is 200000022002.

It is a junction number, because it is equal to n+sod(n) for n = 2002199999953 and 2002200000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74584196 + ... + 74611035.

It is an arithmetic number, because the mean of its divisors is an integer number (97126096032).

Almost surely, 2^{2002200000020} is an apocalyptic number.

2002200000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002200000020 is an abundant number, since it is smaller than the sum of its proper divisors (2659852609516).

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

2002200000020 is a wasteful number, since it uses less digits than its factorization.

2002200000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149195312 (or 149195310 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 2002200000020 its reverse (200000022002), we get a palindrome (2202200022022).

The spelling of 2002200000020 in words is "two trillion, two billion, two hundred million, twenty", and thus it is an aban number.