210020020202 has 8 divisors (see below), whose sum is σ = 315033617412. Its totient is φ = 105008814400.

The previous prime is 210020020201. The next prime is 210020020247. The reversal of 210020020202 is 202020020012.

It can be written as a sum of positive squares in 2 ways, for example, as 193829748121 + 16190272081 = 440261^2 + 127241^2 .

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

It is not an unprimeable number, because it can be changed into a prime (210020020201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359249 + ... + 741012.

Almost surely, 2^210020020202 is an apocalyptic number.

210020020202 is a deficient number, since it is larger than the sum of its proper divisors (105013597210).

210020020202 is a wasteful number, since it uses less digits than its factorization.

210020020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195704.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 210020020202 its reverse (202020020012), we get a palindrome (412040040214).

The spelling of 210020020202 in words is "two hundred ten billion, twenty million, twenty thousand, two hundred two".