233032213220 has 24 divisors (see below), whose sum is σ = 492939680184. Its totient is φ = 92532498176.

The previous prime is 233032213201. The next prime is 233032213283. The reversal of 233032213220 is 22312230332.

It can be written as a sum of positive squares in 4 ways, for example, as 103247827684 + 129784385536 = 321322^2 + 360256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42521387 + ... + 42526866.

It is an arithmetic number, because the mean of its divisors is an integer number (20539153341).

Almost surely, 2^233032213220 is an apocalyptic number.

233032213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233032213220 is an abundant number, since it is smaller than the sum of its proper divisors (259907466964).

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

233032213220 is a wasteful number, since it uses less digits than its factorization.

233032213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85048399 (or 85048397 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 233032213220 its reverse (22312230332), we get a palindrome (255344443552).

The spelling of 233032213220 in words is "two hundred thirty-three billion, thirty-two million, two hundred thirteen thousand, two hundred twenty".