2220300020 has 24 divisors (see below), whose sum is σ = 4665815784. Its totient is φ = 887513216.

The previous prime is 2220300013. The next prime is 2220300029. The reversal of 2220300020 is 200030222.

It can be written as a sum of positive squares in 4 ways, for example, as 142945936 + 2077354084 = 11956^2 + 45578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220299974 and 2220300010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220300029) 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, 7319 + ... + 67038.

It is an arithmetic number, because the mean of its divisors is an integer number (194408991).

Almost surely, 2^2220300020 is an apocalyptic number.

2220300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220300020 is an abundant number, since it is smaller than the sum of its proper divisors (2445515764).

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

2220300020 is a wasteful number, since it uses less digits than its factorization.

2220300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75859 (or 75857 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2220300020 is about 47120.0596349368. The cubic root of 2220300020 is about 1304.5795134868.

Adding to 2220300020 its reverse (200030222), we get a palindrome (2420330242).

The spelling of 2220300020 in words is "two billion, two hundred twenty million, three hundred thousand, twenty".