220161360 has 80 divisors (see below), whose sum is σ = 718436160. Its totient is φ = 55618560.

The previous prime is 220161353. The next prime is 220161371. The reversal of 220161360 is 63161022.

It is a happy number.

220161360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 19581 + ... + 28700.

It is an arithmetic number, because the mean of its divisors is an integer number (8980452).

Almost surely, 2^220161360 is an apocalyptic number.

220161360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220161360 is an abundant number, since it is smaller than the sum of its proper divisors (498274800).

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

220161360 is a wasteful number, since it uses less digits than its factorization.

220161360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48316 (or 48310 counting only the distinct ones).

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

The square root of 220161360 is about 14837.8354216510. The cubic root of 220161360 is about 603.8286284866.

The spelling of 220161360 in words is "two hundred twenty million, one hundred sixty-one thousand, three hundred sixty".