213320222320 has 40 divisors (see below), whose sum is σ = 496068495120. Its totient is φ = 85311060480.

The previous prime is 213320222293. The next prime is 213320222327. The reversal of 213320222320 is 23222023312.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 213320222291 and 213320222300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320222327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141180 + ... + 668260.

It is an arithmetic number, because the mean of its divisors is an integer number (12401712378).

Almost surely, 2^213320222320 is an apocalyptic number.

213320222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213320222320 is an abundant number, since it is smaller than the sum of its proper divisors (282748272800).

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

213320222320 is a wasteful number, since it uses less digits than its factorization.

213320222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532153 (or 532147 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 213320222320 its reverse (23222023312), we get a palindrome (236542245632).

The spelling of 213320222320 in words is "two hundred thirteen billion, three hundred twenty million, two hundred twenty-two thousand, three hundred twenty".