220000000000000 has 420 divisors, whose sum is σ = 599981689354824. Its totient is φ = 80000000000000.

The previous prime is 219999999999953. The next prime is 220000000000007. The reversal of 220000000000000 is 22.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000000000007) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 19999999999995 + ... + 20000000000005.

Almost surely, 2^{220000000000000} is an apocalyptic number.

220000000000000 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 220000000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299990844677412).

220000000000000 is an abundant number, since it is smaller than the sum of its proper divisors (379981689354824).

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

220000000000000 is an frugal number, since it uses more digits than its factorization.

220000000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 4.

Adding to 220000000000000 its reverse (22), we get a palindrome (220000000000022).

220000000000000 divided by its reverse (22) gives a 13-th power (10000000000000 = 10¹³).

It can be divided in two parts, 2 and 20000000000000, that added together give a palindrome (20000000000002).

The spelling of 220000000000000 in words is "two hundred twenty trillion", and thus it is an aban number.