210242020442 has 8 divisors (see below), whose sum is σ = 319354968000. Its totient is φ = 103790364444.

The previous prime is 210242020409. The next prime is 210242020451. The reversal of 210242020442 is 244020242012.

210242020442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665322692 + ... + 665323007.

It is an arithmetic number, because the mean of its divisors is an integer number (39919371000).

Almost surely, 2^210242020442 is an apocalyptic number.

210242020442 is a deficient number, since it is larger than the sum of its proper divisors (109112947558).

210242020442 is a wasteful number, since it uses less digits than its factorization.

210242020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330645780.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 210242020442 its reverse (244020242012), we get a palindrome (454262262454).

The spelling of 210242020442 in words is "two hundred ten billion, two hundred forty-two million, twenty thousand, four hundred forty-two".