1002200020000 has 120 divisors (see below), whose sum is σ = 2468598745536. Its totient is φ = 400386336000.

The previous prime is 1002200019979. The next prime is 1002200020021. The reversal of 1002200020000 is 200022001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1002200019979) and next prime (1002200020021).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16429557 + ... + 16490443.

Almost surely, 2^{1002200020000} is an apocalyptic number.

1002200020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002200020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234299372768).

1002200020000 is an abundant number, since it is smaller than the sum of its proper divisors (1466398725536).

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

1002200020000 is an frugal number, since it uses more digits than its factorization.

1002200020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61740 (or 61717 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 1002200020000 its reverse (200022001), we get a palindrome (1002400042001).

The spelling of 1002200020000 in words is "one trillion, two billion, two hundred million, twenty thousand".