2220202020 has 96 divisors (see below), whose sum is σ = 6590739456. Its totient is φ = 557452800.

The previous prime is 2220202007. The next prime is 2220202063. The reversal of 2220202020 is 202020222.

It is a super-2 number, since 2×2220202020² = 9858594019224160800, which contains 22 as substring.

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

2220202020 is a modest number, since divided by 202020 gives 2220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2220201987 and 2220202005.

It is an unprimeable number.

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, 52690 + ... + 84950.

It is an arithmetic number, because the mean of its divisors is an integer number (68653536).

Almost surely, 2^2220202020 is an apocalyptic number.

2220202020 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 2220202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3295369728).

2220202020 is an abundant number, since it is smaller than the sum of its proper divisors (4370537436).

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

2220202020 is a wasteful number, since it uses less digits than its factorization.

2220202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32341 (or 32339 counting only the distinct ones).

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

The square root of 2220202020 is about 47119.0197266454. The cubic root of 2220202020 is about 1304.5603192830.

Adding to 2220202020 its reverse (202020222), we get a palindrome (2422222242).

It can be divided in two parts, 2 and 220202020, that added together give a palindrome (220202022).

The spelling of 2220202020 in words is "two billion, two hundred twenty million, two hundred two thousand, twenty".