2002020220 has 24 divisors (see below), whose sum is σ = 4349217600. Its totient is φ = 773193792.

The previous prime is 2002020217. The next prime is 2002020221. The reversal of 2002020220 is 220202002.

It is a super-2 number, since 2×2002020220² = 8016169922577696800, which contains 22 as substring.

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 = 2002020197 and 2002020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725300 + ... + 1726459.

It is an arithmetic number, because the mean of its divisors is an integer number (181217400).

Almost surely, 2^2002020220 is an apocalyptic number.

2002020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002020220 is an abundant number, since it is smaller than the sum of its proper divisors (2347197380).

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

2002020220 is a wasteful number, since it uses less digits than its factorization.

2002020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451797 (or 3451795 counting only the distinct ones).

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

The square root of 2002020220 is about 44743.9405953477. The cubic root of 2002020220 is about 1260.3451267561.

Adding to 2002020220 its reverse (220202002), we get a palindrome (2222222222).

The spelling of 2002020220 in words is "two billion, two million, twenty thousand, two hundred twenty".