20012122202200 has 48 divisors (see below), whose sum is σ = 46705097490480. Its totient is φ = 7974412172160.

The previous prime is 20012122202173. The next prime is 20012122202209. The reversal of 20012122202200 is 220222121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012122202209) 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 11 ways as a sum of consecutive naturals, for example, 190176699 + ... + 190281898.

It is an arithmetic number, because the mean of its divisors is an integer number (973022864385).

Almost surely, 2^{20012122202200} is an apocalyptic number.

20012122202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012122202200 is an abundant number, since it is smaller than the sum of its proper divisors (26692975288280).

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

20012122202200 is a wasteful number, since it uses less digits than its factorization.

20012122202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380458876 (or 380458867 counting only the distinct ones).

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

Adding to 20012122202200 its reverse (220222121002), we get a palindrome (20232344323202).

The spelling of 20012122202200 in words is "twenty trillion, twelve billion, one hundred twenty-two million, two hundred two thousand, two hundred".