2220110020 has 12 divisors (see below), whose sum is σ = 4662231084. Its totient is φ = 888044000.

The previous prime is 2220110003. The next prime is 2220110021. The reversal of 2220110020 is 200110222.

It can be written as a sum of positive squares in 2 ways, for example, as 802135684 + 1417974336 = 28322^2 + 37656^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2220109979 and 2220110006.

It is not an unprimeable number, because it can be changed into a prime (2220110021) 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, 55502731 + ... + 55502770.

It is an arithmetic number, because the mean of its divisors is an integer number (388519257).

Almost surely, 2^2220110020 is an apocalyptic number.

2220110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220110020 is an abundant number, since it is smaller than the sum of its proper divisors (2442121064).

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

2220110020 is a wasteful number, since it uses less digits than its factorization.

2220110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111005510 (or 111005508 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2220110020 is about 47118.0434653223. The cubic root of 2220110020 is about 1304.5422997205.

Adding to 2220110020 its reverse (200110222), we get a palindrome (2420220242).

The spelling of 2220110020 in words is "two billion, two hundred twenty million, one hundred ten thousand, twenty".