2220022020168 has 32 divisors (see below), whose sum is σ = 6166727834400. Its totient is φ = 740007339984.

The previous prime is 2220022020163. The next prime is 2220022020169. The reversal of 2220022020168 is 8610202200222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2220022020163) 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 7 ways as a sum of consecutive naturals, for example, 5138939646 + ... + 5138940077.

It is an arithmetic number, because the mean of its divisors is an integer number (192710244825).

Almost surely, 2^{2220022020168} is an apocalyptic number.

It is an amenable number.

2220022020168 is an abundant number, since it is smaller than the sum of its proper divisors (3946705814232).

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

2220022020168 is a wasteful number, since it uses less digits than its factorization.

2220022020168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10277879738 (or 10277879728 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 2220022020168 in words is "two trillion, two hundred twenty billion, twenty-two million, twenty thousand, one hundred sixty-eight".