210020000002 has 8 divisors (see below), whose sum is σ = 315033320700. Its totient is φ = 105008893104.

The previous prime is 210019999993. The next prime is 210020000051. The reversal of 210020000002 is 200000020012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 209818047481 + 201952521 = 458059^2 + 14211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 210020000002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291477 + ... + 710632.

Almost surely, 2^210020000002 is an apocalyptic number.

210020000002 is a deficient number, since it is larger than the sum of its proper divisors (105013320698).

210020000002 is a wasteful number, since it uses less digits than its factorization.

210020000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106900.

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

Adding to 210020000002 its reverse (200000020012), we get a palindrome (410020020014).

The spelling of 210020000002 in words is "two hundred ten billion, twenty million, two", and thus it is an aban number.