2002022220 has 96 divisors (see below), whose sum is σ = 6219037440. Its totient is φ = 477103360.

The previous prime is 2002022207. The next prime is 2002022263. The reversal of 2002022220 is 222202002.

2002022220 is digitally balanced in base 6, 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 = 2002022196 and 2002022205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13234 + ... + 64646.

It is an arithmetic number, because the mean of its divisors is an integer number (64781640).

Almost surely, 2^2002022220 is an apocalyptic number.

2002022220 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 2002022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3109518720).

2002022220 is an abundant number, since it is smaller than the sum of its proper divisors (4217015220).

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

2002022220 is a wasteful number, since it uses less digits than its factorization.

2002022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51495 (or 51493 counting only the distinct ones).

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

The square root of 2002022220 is about 44743.9629447370. The cubic root of 2002022220 is about 1260.3455464470.

Adding to 2002022220 its reverse (222202002), we get a palindrome (2224224222).

The spelling of 2002022220 in words is "two billion, two million, twenty-two thousand, two hundred twenty".