213013230220 has 72 divisors (see below), whose sum is σ = 520439378256. Its totient is φ = 73022092416.

The previous prime is 213013230161. The next prime is 213013230233. The reversal of 213013230220 is 22032310312.

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, 9030682 + ... + 9054238.

It is an arithmetic number, because the mean of its divisors is an integer number (7228324698).

Almost surely, 2^213013230220 is an apocalyptic number.

213013230220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213013230220 is an abundant number, since it is smaller than the sum of its proper divisors (307426148036).

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

213013230220 is a wasteful number, since it uses less digits than its factorization.

213013230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32807 (or 32798 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213013230220 its reverse (22032310312), we get a palindrome (235045540532).

The spelling of 213013230220 in words is "two hundred thirteen billion, thirteen million, two hundred thirty thousand, two hundred twenty".