133221232233320 has 128 divisors (see below), whose sum is σ = 377411623430400. Its totient is φ = 41112377088000.

The previous prime is 133221232233317. The next prime is 133221232233329. The reversal of 133221232233320 is 23332232122331.

It is not an unprimeable number, because it can be changed into a prime (133221232233329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213815885 + ... + 214438044.

It is an arithmetic number, because the mean of its divisors is an integer number (2948528308050).

Almost surely, 2^{133221232233320} is an apocalyptic number.

133221232233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133221232233320 is an abundant number, since it is smaller than the sum of its proper divisors (244190391197080).

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

133221232233320 is a wasteful number, since it uses less digits than its factorization.

133221232233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428254059 (or 428254055 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 133221232233320 its reverse (23332232122331), we get a palindrome (156553464355651).

The spelling of 133221232233320 in words is "one hundred thirty-three trillion, two hundred twenty-one billion, two hundred thirty-two million, two hundred thirty-three thousand, three hundred twenty".