2220082220 has 12 divisors (see below), whose sum is σ = 4662172704. Its totient is φ = 888032880.

The previous prime is 2220082219. The next prime is 2220082223. The reversal of 2220082220 is 222800222.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 111004111 = 2220082220 / (2 + 2 + 2 + 0 + 0 + 8 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2220082192 and 2220082201.

It is not an unprimeable number, because it can be changed into a prime (2220082223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55502036 + ... + 55502075.

It is an arithmetic number, because the mean of its divisors is an integer number (388514392).

Almost surely, 2^2220082220 is an apocalyptic number.

2220082220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220082220 is an abundant number, since it is smaller than the sum of its proper divisors (2442090484).

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

2220082220 is a wasteful number, since it uses less digits than its factorization.

2220082220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111004120 (or 111004118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2220082220 is about 47117.7484606385. The cubic root of 2220082220 is about 1304.5368545808.

Adding to 2220082220 its reverse (222800222), we get a palindrome (2442882442).

The spelling of 2220082220 in words is "two billion, two hundred twenty million, eighty-two thousand, two hundred twenty".