22000212100020 has 192 divisors, whose sum is σ = 76967343839232. Its totient is φ = 4561555776000.

The previous prime is 22000212099991. The next prime is 22000212100037. The reversal of 22000212100020 is 2000121200022.

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 = 22000212099969 and 22000212100005.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3034986 + ... + 7294625.

It is an arithmetic number, because the mean of its divisors is an integer number (400871582496).

Almost surely, 2^{22000212100020} is an apocalyptic number.

22000212100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000212100020 is an abundant number, since it is smaller than the sum of its proper divisors (54967131739212).

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

22000212100020 is a wasteful number, since it uses less digits than its factorization.

22000212100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10330102 (or 10330100 counting only the distinct ones).

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

Adding to 22000212100020 its reverse (2000121200022), we get a palindrome (24000333300042).

The spelling of 22000212100020 in words is "twenty-two trillion, two hundred twelve million, one hundred thousand, twenty".