210210120220 has 36 divisors (see below), whose sum is σ = 456140690712. Its totient is φ = 81371652000.

The previous prime is 210210120193. The next prime is 210210120257. The reversal of 210210120220 is 22021012012.

It is a happy number.

210210120220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210210120220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5449306 + ... + 5487745.

It is an arithmetic number, because the mean of its divisors is an integer number (12670574742).

Almost surely, 2^210210120220 is an apocalyptic number.

210210120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210210120220 is an abundant number, since it is smaller than the sum of its proper divisors (245930570492).

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

210210120220 is a wasteful number, since it uses less digits than its factorization.

210210120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937122 (or 10937089 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210210120220 its reverse (22021012012), we get a palindrome (232231132232).

The spelling of 210210120220 in words is "two hundred ten billion, two hundred ten million, one hundred twenty thousand, two hundred twenty".