133321120010220 has 96 divisors (see below), whose sum is σ = 377830489397760. Its totient is φ = 35120817792000.

The previous prime is 133321120010209. The next prime is 133321120010257. The reversal of 133321120010220 is 22010021123331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54779220 + ... + 57161220.

It is an arithmetic number, because the mean of its divisors is an integer number (3935734264560).

Almost surely, 2^{133321120010220} is an apocalyptic number.

133321120010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133321120010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188915244698880).

133321120010220 is an abundant number, since it is smaller than the sum of its proper divisors (244509369387540).

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

133321120010220 is a wasteful number, since it uses less digits than its factorization.

133321120010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393335 (or 2393333 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 133321120010220 its reverse (22010021123331), we get a palindrome (155331141133551).

The spelling of 133321120010220 in words is "one hundred thirty-three trillion, three hundred twenty-one billion, one hundred twenty million, ten thousand, two hundred twenty".