2220200020 has 96 divisors (see below), whose sum is σ = 4890203136. Its totient is φ = 846028800.

The previous prime is 2220199987. The next prime is 2220200029. The reversal of 2220200020 is 200020222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220200029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8192485 + ... + 8192755.

It is an arithmetic number, because the mean of its divisors is an integer number (50939616).

Almost surely, 2^2220200020 is an apocalyptic number.

2220200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2445101568).

2220200020 is an abundant number, since it is smaller than the sum of its proper divisors (2670003116).

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

2220200020 is a wasteful number, since it uses less digits than its factorization.

2220200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2220200020 is about 47118.9985037883. The cubic root of 2220200020 is about 1304.5599275586.

Adding to 2220200020 its reverse (200020222), we get a palindrome (2420220242).

The spelling of 2220200020 in words is "two billion, two hundred twenty million, two hundred thousand, twenty".