220493799180 has 36 divisors (see below), whose sum is σ = 668831191392. Its totient is φ = 58798346400.

The previous prime is 220493799179. The next prime is 220493799193. The reversal of 220493799180 is 81997394022.

220493799180 is a `hidden beast` number, since 2 + 2 + 0 + 493 + 79 + 9 + 1 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612482596 + ... + 612482955.

Almost surely, 2^220493799180 is an apocalyptic number.

220493799180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220493799180 is an abundant number, since it is smaller than the sum of its proper divisors (448337392212).

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

220493799180 is a wasteful number, since it uses less digits than its factorization.

220493799180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224965566 (or 1224965561 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 220493799180 in words is "two hundred twenty billion, four hundred ninety-three million, seven hundred ninety-nine thousand, one hundred eighty".