213303233220 has 96 divisors (see below), whose sum is σ = 744622212096. Its totient is φ = 44322748800.

The previous prime is 213303233189. The next prime is 213303233257. The reversal of 213303233220 is 22332303312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23080146 + ... + 23089385.

It is an arithmetic number, because the mean of its divisors is an integer number (7756481376).

Almost surely, 2^213303233220 is an apocalyptic number.

213303233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213303233220 is an abundant number, since it is smaller than the sum of its proper divisors (531318978876).

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

213303233220 is a wasteful number, since it uses less digits than its factorization.

213303233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46169561 (or 46169559 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 213303233220 its reverse (22332303312), we get a palindrome (235635536532).

The spelling of 213303233220 in words is "two hundred thirteen billion, three hundred three million, two hundred thirty-three thousand, two hundred twenty".