109220 has 24 divisors (see below), whose sum is σ = 236544. Its totient is φ = 42336.

The previous prime is 109211. The next prime is 109229. The reversal of 109220 is 22901.

It is an interprime number because it is at equal distance from previous prime (109211) and next prime (109229).

It is a junction number, because it is equal to n+sod(n) for n = 109195 and 109204.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109220.

It is not an unprimeable number, because it can be changed into a prime (109229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (9856).

2¹⁰⁹²²⁰ is an apocalyptic number.

109220 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 109220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118272).

109220 is an abundant number, since it is smaller than the sum of its proper divisors (127324).

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

109220 is a wasteful number, since it uses less digits than its factorization.

109220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 109220 is about 330.4844928283. The cubic root of 109220 is about 47.8006780831.

The spelling of 109220 in words is "one hundred nine thousand, two hundred twenty".