220000002111220 has 12 divisors (see below), whose sum is σ = 462000004433604. Its totient is φ = 88000000844480.

The previous prime is 220000002111151. The next prime is 220000002111223. The reversal of 220000002111220 is 22111200000022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113478653748496 + 106521348362724 = 10652636^2 + 10320918^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220000002111220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000002111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500000052761 + ... + 5500000052800.

It is an arithmetic number, because the mean of its divisors is an integer number (38500000369467).

Almost surely, 2^{220000002111220} is an apocalyptic number.

220000002111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220000002111220 is an abundant number, since it is smaller than the sum of its proper divisors (242000002322384).

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

220000002111220 is a wasteful number, since it uses less digits than its factorization.

220000002111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000000105570 (or 11000000105568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220000002111220 its reverse (22111200000022), we get a palindrome (242111202111242).

The spelling of 220000002111220 in words is "two hundred twenty trillion, two million, one hundred eleven thousand, two hundred twenty".