220000021120000 has 880 divisors, whose sum is σ = 632075031244800. Its totient is φ = 75668705280000.

The previous prime is 220000021119919. The next prime is 220000021120013. The reversal of 220000021120000 is 21120000022.

It is a tau number, because it is divible by the number of its divisors (880).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 138976639209 + ... + 138976640791.

It is an arithmetic number, because the mean of its divisors is an integer number (718267080960).

Almost surely, 2^{220000021120000} is an apocalyptic number.

220000021120000 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 220000021120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316037515622400).

220000021120000 is an abundant number, since it is smaller than the sum of its proper divisors (412075010124800).

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

220000021120000 is a wasteful number, since it uses less digits than its factorization.

220000021120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 220000021120000 its reverse (21120000022), we get a palindrome (220021141120022).

The spelling of 220000021120000 in words is "two hundred twenty trillion, twenty-one million, one hundred twenty thousand".