20002242220 has 48 divisors (see below), whose sum is σ = 43577856000. Its totient is φ = 7703847360.

The previous prime is 20002242199. The next prime is 20002242223. The reversal of 20002242220 is 2224220002.

It is a junction number, because it is equal to n+sod(n) for n = 20002242194 and 20002242203.

It is not an unprimeable number, because it can be changed into a prime (20002242223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42321 + ... + 204439.

It is an arithmetic number, because the mean of its divisors is an integer number (907872000).

Almost surely, 2^20002242220 is an apocalyptic number.

20002242220 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 20002242220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21788928000).

20002242220 is an abundant number, since it is smaller than the sum of its proper divisors (23575613780).

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

20002242220 is a wasteful number, since it uses less digits than its factorization.

20002242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162358 (or 162356 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20002242220 its reverse (2224220002), we get a palindrome (22226462222).

It can be divided in two parts, 200022 and 42220, that added together give a palindrome (242242).

The spelling of 20002242220 in words is "twenty billion, two million, two hundred forty-two thousand, two hundred twenty".