200120000002002 has 32 divisors (see below), whose sum is σ = 444906074612160. Its totient is φ = 66677422142880.

The previous prime is 200120000002001. The next prime is 200120000002003. The reversal of 200120000002002 is 200200000021002.

It is an interprime number because it is at equal distance from previous prime (200120000002001) and next prime (200120000002003).

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

It is not an unprimeable number, because it can be changed into a prime (200120000002001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812223588 + ... + 812469935.

It is an arithmetic number, because the mean of its divisors is an integer number (13903314831630).

Almost surely, 2^{200120000002002} is an apocalyptic number.

200120000002002 is an abundant number, since it is smaller than the sum of its proper divisors (244786074610158).

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

200120000002002 is a wasteful number, since it uses less digits than its factorization.

200120000002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624695815 (or 1624695809 counting only the distinct ones).

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

Adding to 200120000002002 its reverse (200200000021002), we get a palindrome (400320000023004).

The spelling of 200120000002002 in words is "two hundred trillion, one hundred twenty billion, two thousand, two".