2220222022020 has 144 divisors (see below), whose sum is σ = 6985775404608. Its totient is φ = 591917673600.

The previous prime is 2220222021977. The next prime is 2220222022061. The reversal of 2220222022020 is 202202220222.

2220222022020 is a `hidden beast` number, since 2 + 2 + 202 + 220 + 220 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220222021984 and 2220222022002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21122595 + ... + 21227445.

Almost surely, 2^{2220222022020} is an apocalyptic number.

2220222022020 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 2220222022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3492887702304).

2220222022020 is an abundant number, since it is smaller than the sum of its proper divisors (4765553382588).

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

2220222022020 is a wasteful number, since it uses less digits than its factorization.

2220222022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109232 (or 109218 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 2220222022020 its reverse (202202220222), we get a palindrome (2422424242242).

The spelling of 2220222022020 in words is "two trillion, two hundred twenty billion, two hundred twenty-two million, twenty-two thousand, twenty".