20000100120222 has 32 divisors (see below), whose sum is σ = 40284962475264. Its totient is φ = 6619406489600.

The previous prime is 20000100120211. The next prime is 20000100120223. The reversal of 20000100120222 is 22202100100002.

It is a junction number, because it is equal to n+sod(n) for n = 20000100120198 and 20000100120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000100120223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20372904 + ... + 21332027.

It is an arithmetic number, because the mean of its divisors is an integer number (1258905077352).

Almost surely, 2^{20000100120222} is an apocalyptic number.

20000100120222 is an abundant number, since it is smaller than the sum of its proper divisors (20284862355042).

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

20000100120222 is a wasteful number, since it uses less digits than its factorization.

20000100120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41705504.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000100120222 its reverse (22202100100002), we get a palindrome (42202200220224).

The spelling of 20000100120222 in words is "twenty trillion, one hundred million, one hundred twenty thousand, two hundred twenty-two".