210002020000002 has 12 divisors (see below), whose sum is σ = 455004376666710. Its totient is φ = 70000673333328.

The previous prime is 210002019999997. The next prime is 210002020000009. The reversal of 210002020000002 is 200000020200012.

It can be written as a sum of positive squares in only one way, i.e., 154591400043441 + 55410619956561 = 12433479^2 + 7443831^2 .

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 (210002020000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5833389444427 + ... + 5833389444462.

Almost surely, 2^{210002020000002} is an apocalyptic number.

210002020000002 is an abundant number, since it is smaller than the sum of its proper divisors (245002356666708).

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

210002020000002 is a wasteful number, since it uses less digits than its factorization.

210002020000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11666778888897 (or 11666778888894 counting only the distinct ones).

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

Adding to 210002020000002 its reverse (200000020200012), we get a palindrome (410002040200014).

The spelling of 210002020000002 in words is "two hundred ten trillion, two billion, twenty million, two", and thus it is an aban number.