202102020331242 has 8 divisors (see below), whose sum is σ = 404204040662496. Its totient is φ = 67367340110412.

The previous prime is 202102020331199. The next prime is 202102020331243. The reversal of 202102020331242 is 242133020201202.

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

202102020331242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (202102020331243) 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, 16841835027598 + ... + 16841835027609.

It is an arithmetic number, because the mean of its divisors is an integer number (50525505082812).

Almost surely, 2^{202102020331242} is an apocalyptic number.

202102020331242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

202102020331242 is a wasteful number, since it uses less digits than its factorization.

202102020331242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33683670055212.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202102020331242 its reverse (242133020201202), we get a palindrome (444235040532444).

The spelling of 202102020331242 in words is "two hundred two trillion, one hundred two billion, twenty million, three hundred thirty-one thousand, two hundred forty-two".