210233255320 has 96 divisors (see below), whose sum is σ = 520110864000. Its totient is φ = 76422804480.

The previous prime is 210233255269. The next prime is 210233255369. The reversal of 210233255320 is 23552332012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20211481 + ... + 20221879.

It is an arithmetic number, because the mean of its divisors is an integer number (5417821500).

Almost surely, 2^210233255320 is an apocalyptic number.

210233255320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210233255320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260055432000).

210233255320 is an abundant number, since it is smaller than the sum of its proper divisors (309877608680).

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

210233255320 is a wasteful number, since it uses less digits than its factorization.

210233255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14609 (or 14594 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 210233255320 its reverse (23552332012), we get a palindrome (233785587332).

The spelling of 210233255320 in words is "two hundred ten billion, two hundred thirty-three million, two hundred fifty-five thousand, three hundred twenty".