2220220020 has 48 divisors (see below), whose sum is σ = 6219037440. Its totient is φ = 591828096.

The previous prime is 2220219943. The next prime is 2220220021. The reversal of 2220220020 is 200220222.

2220220020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2220219978 and 2220220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195046 + ... + 206114.

It is an arithmetic number, because the mean of its divisors is an integer number (129563280).

Almost surely, 2^2220220020 is an apocalyptic number.

2220220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220220020 is an abundant number, since it is smaller than the sum of its proper divisors (3998817420).

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

2220220020 is a wasteful number, since it uses less digits than its factorization.

2220220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14424 (or 14422 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2220220020 is about 47119.2107319297. The cubic root of 2220220020 is about 1304.5638447913.

Adding to 2220220020 its reverse (200220222), we get a palindrome (2420440242).

The spelling of 2220220020 in words is "two billion, two hundred twenty million, two hundred twenty thousand, twenty".