2220220022120 has 16 divisors (see below), whose sum is σ = 4995495049860. Its totient is φ = 888088008832.

The previous prime is 2220220022117. The next prime is 2220220022129. The reversal of 2220220022120 is 212200220222.

It can be written as a sum of positive squares in 2 ways, for example, as 2219784131236 + 435890884 = 1489894^2 + 20878^2 .

It is not an unprimeable number, because it can be changed into a prime (2220220022129) 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 3 ways as a sum of consecutive naturals, for example, 27752750237 + ... + 27752750316.

Almost surely, 2^{2220220022120} is an apocalyptic number.

2220220022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220220022120 is an abundant number, since it is smaller than the sum of its proper divisors (2775275027740).

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

2220220022120 is a wasteful number, since it uses less digits than its factorization.

2220220022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55505500564 (or 55505500560 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2220220022120 its reverse (212200220222), we get a palindrome (2432420242342).

The spelling of 2220220022120 in words is "two trillion, two hundred twenty billion, two hundred twenty million, twenty-two thousand, one hundred twenty".