233020121320 has 96 divisors (see below), whose sum is σ = 645770740680. Its totient is φ = 75193036800.

The previous prime is 233020121297. The next prime is 233020121333. The reversal of 233020121320 is 23121020332.

It can be written as a sum of positive squares in 4 ways, for example, as 233005082436 + 15038884 = 482706^2 + 3878^2 .

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, 3463381 + ... + 3530020.

Almost surely, 2^233020121320 is an apocalyptic number.

233020121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233020121320 is an abundant number, since it is smaller than the sum of its proper divisors (412750619360).

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

233020121320 is a wasteful number, since it uses less digits than its factorization.

233020121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993443 (or 6993432 counting only the distinct ones).

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

Adding to 233020121320 its reverse (23121020332), we get a palindrome (256141141652).

The spelling of 233020121320 in words is "two hundred thirty-three billion, twenty million, one hundred twenty-one thousand, three hundred twenty".