173280133220 has 48 divisors (see below), whose sum is σ = 372825380928. Its totient is φ = 67613857920.

The previous prime is 173280133199. The next prime is 173280133231. The reversal of 173280133220 is 22331082371.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548810 + ... + 804830.

It is an arithmetic number, because the mean of its divisors is an integer number (7767195436).

Almost surely, 2^173280133220 is an apocalyptic number.

173280133220 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 173280133220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186412690464).

173280133220 is an abundant number, since it is smaller than the sum of its proper divisors (199545247708).

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

173280133220 is a wasteful number, since it uses less digits than its factorization.

173280133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256860 (or 256858 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 173280133220 in words is "one hundred seventy-three billion, two hundred eighty million, one hundred thirty-three thousand, two hundred twenty".