20022200220 has 192 divisors, whose sum is σ = 63346655232. Its totient is φ = 4683168000.

The previous prime is 20022200207. The next prime is 20022200221. The reversal of 20022200220 is 2200222002.

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 = 20022200196 and 20022200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022200221) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2197875 + ... + 2206965.

It is an arithmetic number, because the mean of its divisors is an integer number (329930496).

Almost surely, 2^20022200220 is an apocalyptic number.

20022200220 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 20022200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31673327616).

20022200220 is an abundant number, since it is smaller than the sum of its proper divisors (43324455012).

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

20022200220 is a wasteful number, since it uses less digits than its factorization.

20022200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9232 (or 9230 counting only the distinct ones).

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

Adding to 20022200220 its reverse (2200222002), we get a palindrome (22222422222).

The spelling of 20022200220 in words is "twenty billion, twenty-two million, two hundred thousand, two hundred twenty".