220140 has 36 divisors (see below), whose sum is σ = 668304. Its totient is φ = 58656.

The previous prime is 220123. The next prime is 220141. The reversal of 220140 is 41022.

220140 is digitally balanced in base 3, 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 (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220140.

It is not an unprimeable number, because it can be changed into a prime (220141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432 + ... + 791.

It is an arithmetic number, because the mean of its divisors is an integer number (18564).

2²²⁰¹⁴⁰ is an apocalyptic number.

220140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220140 is an abundant number, since it is smaller than the sum of its proper divisors (448164).

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

220140 is a wasteful number, since it uses less digits than its factorization.

220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 220140 is about 469.1907927485. The cubic root of 220140 is about 60.3809100088.

Adding to 220140 its reverse (41022), we get a palindrome (261162).

The spelling of 220140 in words is "two hundred twenty thousand, one hundred forty", and thus it is an iban number.