20022200022 has 64 divisors (see below), whose sum is σ = 44800293888. Its totient is φ = 5912736000.

The previous prime is 20022200021. The next prime is 20022200059. The reversal of 20022200022 is 22000222002.

It is a junction number, because it is equal to n+sod(n) for n = 20022199980 and 20022200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022200021) 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 31 ways as a sum of consecutive naturals, for example, 2759203 + ... + 2766449.

It is an arithmetic number, because the mean of its divisors is an integer number (700004592).

Almost surely, 2^20022200022 is an apocalyptic number.

20022200022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022200022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22400146944).

20022200022 is an abundant number, since it is smaller than the sum of its proper divisors (24778093866).

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

20022200022 is a wasteful number, since it uses less digits than its factorization.

20022200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325.

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

Adding to 20022200022 its reverse (22000222002), we get a palindrome (42022422024).

It can be divided in two parts, 2002 and 2200022, that multiplied together give a palindrome (4404444044).

The spelling of 20022200022 in words is "twenty billion, twenty-two million, two hundred thousand, twenty-two".