210043020242 has 32 divisors (see below), whose sum is σ = 344467033344. Its totient is φ = 95263090000.

The previous prime is 210043020227. The next prime is 210043020247. The reversal of 210043020242 is 242020340012.

It is not an unprimeable number, because it can be changed into a prime (210043020247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41980913 + ... + 41985915.

It is an arithmetic number, because the mean of its divisors is an integer number (10764594792).

Almost surely, 2^210043020242 is an apocalyptic number.

210043020242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210043020242 is a deficient number, since it is larger than the sum of its proper divisors (134424013102).

210043020242 is a wasteful number, since it uses less digits than its factorization.

210043020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 210043020242 its reverse (242020340012), we get a palindrome (452063360254).

The spelling of 210043020242 in words is "two hundred ten billion, forty-three million, twenty thousand, two hundred forty-two".