220120220122 has 64 divisors (see below), whose sum is σ = 384972963840. Its totient is φ = 93406622400.

The previous prime is 220120220101. The next prime is 220120220123. The reversal of 220120220122 is 221022021022.

It is a super-2 number, since 2×220120220122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220120220096 and 220120220105.

It is not an unprimeable number, because it can be changed into a prime (220120220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26241213 + ... + 26249599.

It is an arithmetic number, because the mean of its divisors is an integer number (6015202560).

Almost surely, 2^220120220122 is an apocalyptic number.

220120220122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220120220122 is a deficient number, since it is larger than the sum of its proper divisors (164852743718).

220120220122 is a wasteful number, since it uses less digits than its factorization.

220120220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220120220122 its reverse (221022021022), we get a palindrome (441142241144).

Subtracting 220120220122 from its reverse (221022021022), we obtain a square (901800900 = 30030²).

The spelling of 220120220122 in words is "two hundred twenty billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty-two".