213032330220 has 48 divisors (see below), whose sum is σ = 596519306208. Its totient is φ = 56805880320.

The previous prime is 213032330219. The next prime is 213032330249. The reversal of 213032330220 is 22033230312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373662 + ... + 1520858.

It is an arithmetic number, because the mean of its divisors is an integer number (12427485546).

Almost surely, 2^213032330220 is an apocalyptic number.

213032330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213032330220 is an abundant number, since it is smaller than the sum of its proper divisors (383486975988).

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

213032330220 is a wasteful number, since it uses less digits than its factorization.

213032330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171330 (or 171328 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 213032330220 its reverse (22033230312), we get a palindrome (235065560532).

The spelling of 213032330220 in words is "two hundred thirteen billion, thirty-two million, three hundred thirty thousand, two hundred twenty".