213303032320 has 160 divisors (see below), whose sum is σ = 587120421888. Its totient is φ = 72803155968.

The previous prime is 213303032291. The next prime is 213303032323. The reversal of 213303032320 is 23230303312.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 213303032291 and 213303032300.

It is not an unprimeable number, because it can be changed into a prime (213303032323) 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, 3969472 + ... + 4022848.

Almost surely, 2^213303032320 is an apocalyptic number.

213303032320 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 213303032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293560210944).

213303032320 is an abundant number, since it is smaller than the sum of its proper divisors (373817389568).

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

213303032320 is an equidigital number, since it uses as much as digits as its factorization.

213303032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53630 (or 53614 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 213303032320 its reverse (23230303312), we get a palindrome (236533335632).

The spelling of 213303032320 in words is "two hundred thirteen billion, three hundred three million, thirty-two thousand, three hundred twenty".