20001222022210 has 512 divisors, whose sum is σ = 44526576116736. Its totient is φ = 6373416960000.

The previous prime is 20001222022151. The next prime is 20001222022211. The reversal of 20001222022210 is 1222022210002.

It is not an unprimeable number, because it can be changed into a prime (20001222022211) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 88111110117 + ... + 88111110343.

It is an arithmetic number, because the mean of its divisors is an integer number (86965968978).

Almost surely, 2^{20001222022210} is an apocalyptic number.

20001222022210 is an abundant number, since it is smaller than the sum of its proper divisors (24525354094526).

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

20001222022210 is a wasteful number, since it uses less digits than its factorization.

20001222022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20001222022210 its reverse (1222022210002), we get a palindrome (21223244232212).

It can be divided in two parts, 200012 and 22022210, that added together give a palindrome (22222222).

The spelling of 20001222022210 in words is "twenty trillion, one billion, two hundred twenty-two million, twenty-two thousand, two hundred ten".