220514220 has 36 divisors (see below), whose sum is σ = 668893680. Its totient is φ = 58803744.

The previous prime is 220514213. The next prime is 220514221. The reversal of 220514220 is 22415022.

220514220 is digitally balanced in base 2 and base 3, because in such bases 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 220514193 and 220514202.

It is not an unprimeable number, because it can be changed into a prime (220514221) 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, 612360 + ... + 612719.

It is an arithmetic number, because the mean of its divisors is an integer number (18580380).

Almost surely, 2^220514220 is an apocalyptic number.

220514220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220514220 is an abundant number, since it is smaller than the sum of its proper divisors (448379460).

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

220514220 is a wasteful number, since it uses less digits than its factorization.

220514220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225094 (or 1225089 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 220514220 is about 14849.7212095042. The cubic root of 220514220 is about 604.1510484323.

Adding to 220514220 its reverse (22415022), we get a palindrome (242929242).

The spelling of 220514220 in words is "two hundred twenty million, five hundred fourteen thousand, two hundred twenty".