220340480180 has 24 divisors (see below), whose sum is σ = 463100333640. Its totient is φ = 88062796800.

The previous prime is 220340480177. The next prime is 220340480209. The reversal of 220340480180 is 81084043022.

It can be written as a sum of positive squares in 4 ways, for example, as 26772158884 + 193568321296 = 163622^2 + 439964^2 .

It is a congruent number.

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, 4562585 + ... + 4610624.

It is an arithmetic number, because the mean of its divisors is an integer number (19295847235).

Almost surely, 2^220340480180 is an apocalyptic number.

220340480180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220340480180 is an abundant number, since it is smaller than the sum of its proper divisors (242759853460).

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

220340480180 is a wasteful number, since it uses less digits than its factorization.

220340480180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174419 (or 9174417 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 220340480180 in words is "two hundred twenty billion, three hundred forty million, four hundred eighty thousand, one hundred eighty".