2022222020 has 96 divisors (see below), whose sum is σ = 5249664000. Its totient is φ = 637185024.

The previous prime is 2022222001. The next prime is 2022222023. The reversal of 2022222020 is 202222202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2022221986 and 2022222004.

It is not an unprimeable number, because it can be changed into a prime (2022222023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432656 + ... + 437304.

It is an arithmetic number, because the mean of its divisors is an integer number (54684000).

Almost surely, 2^2022222020 is an apocalyptic number.

2022222020 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 2022222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2624832000).

2022222020 is an abundant number, since it is smaller than the sum of its proper divisors (3227441980).

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

2022222020 is a wasteful number, since it uses less digits than its factorization.

2022222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917 (or 4915 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2022222020 is about 44969.1229623172. The cubic root of 2022222020 is about 1264.5702050343.

Adding to 2022222020 its reverse (202222202), we get a palindrome (2224444222).

It can be divided in two parts, 202 and 2222020, that added together give a palindrome (2222222).

The spelling of 2022222020 in words is "two billion, twenty-two million, two hundred twenty-two thousand, twenty".