210242102020002 has 24 divisors (see below), whose sum is σ = 490564904713884. Its totient is φ = 64689877544544.

The previous prime is 210242102019991. The next prime is 210242102020019. The reversal of 210242102020002 is 200020201242012.

210242102020002 is a `hidden beast` number, since 21 + 0 + 2 + 421 + 0 + 20 + 200 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 174070790700921 + 36171311319081 = 13193589^2 + 6014259^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 449235260493 + ... + 449235260960.

Almost surely, 2^{210242102020002} is an apocalyptic number.

210242102020002 is an abundant number, since it is smaller than the sum of its proper divisors (280322802693882).

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

210242102020002 is a wasteful number, since it uses less digits than its factorization.

210242102020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898470521474 (or 898470521471 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210242102020002 its reverse (200020201242012), we get a palindrome (410262303262014).

The spelling of 210242102020002 in words is "two hundred ten trillion, two hundred forty-two billion, one hundred two million, twenty thousand, two".