2001002020200 has 144 divisors (see below), whose sum is σ = 7073717788800. Its totient is φ = 505516291200.

The previous prime is 2001002020177. The next prime is 2001002020207. The reversal of 2001002020200 is 20202001002.

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 (2001002020207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29220216 + ... + 29288615.

It is an arithmetic number, because the mean of its divisors is an integer number (49123040200).

Almost surely, 2^{2001002020200} is an apocalyptic number.

2001002020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001002020200 is an abundant number, since it is smaller than the sum of its proper divisors (5072715768600).

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

2001002020200 is a wasteful number, since it uses less digits than its factorization.

2001002020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58508872 (or 58508860 counting only the distinct ones).

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

Adding to 2001002020200 its reverse (20202001002), we get a palindrome (2021204021202).

The spelling of 2001002020200 in words is "two trillion, one billion, two million, twenty thousand, two hundred".