210201232320 has 168 divisors, whose sum is σ = 730164127680. Its totient is φ = 55498598400.

The previous prime is 210201232271. The next prime is 210201232333. The reversal of 210201232320 is 23232102012.

210201232320 is a `hidden beast` number, since 210 + 201 + 23 + 232 + 0 = 666.

It is a super-2 number, since 2×210201232320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210201232293 and 210201232302.

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, 70440 + ... + 652199.

Almost surely, 2^210201232320 is an apocalyptic number.

210201232320 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 210201232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365082063840).

210201232320 is an abundant number, since it is smaller than the sum of its proper divisors (519962895360).

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

210201232320 is a wasteful number, since it uses less digits than its factorization.

210201232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722763 (or 722750 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 210201232320 its reverse (23232102012), we get a palindrome (233433334332).

The spelling of 210201232320 in words is "two hundred ten billion, two hundred one million, two hundred thirty-two thousand, three hundred twenty".