2002200120 has 80 divisors (see below), whose sum is σ = 6729627960. Its totient is φ = 533919168.

The previous prime is 2002200113. The next prime is 2002200121. The reversal of 2002200120 is 210022002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 305742 + ... + 312221.

Almost surely, 2^2002200120 is an apocalyptic number.

2002200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002200120 is an abundant number, since it is smaller than the sum of its proper divisors (4727427840).

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

2002200120 is a wasteful number, since it uses less digits than its factorization.

2002200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617986 (or 617973 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2002200120 is about 44745.9508782638. The cubic root of 2002200120 is about 1260.3828768405.

Adding to 2002200120 its reverse (210022002), we get a palindrome (2212222122).

The spelling of 2002200120 in words is "two billion, two million, two hundred thousand, one hundred twenty".