220220100220120 has 256 divisors, whose sum is σ = 704414440396800. Its totient is φ = 59632968130560.

The previous prime is 220220100220097. The next prime is 220220100220129. The reversal of 220220100220120 is 21022001022022.

It is a junction number, because it is equal to n+sod(n) for n = 220220100220094 and 220220100220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220100220129) 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 63 ways as a sum of consecutive naturals, for example, 161084100 + ... + 162445459.

It is an arithmetic number, because the mean of its divisors is an integer number (2751618907800).

Almost surely, 2^{220220100220120} is an apocalyptic number.

220220100220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220100220120 is an abundant number, since it is smaller than the sum of its proper divisors (484194340176680).

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

220220100220120 is a wasteful number, since it uses less digits than its factorization.

220220100220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323529618 (or 323529614 counting only the distinct ones).

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

Adding to 220220100220120 its reverse (21022001022022), we get a palindrome (241242101242142).

The spelling of 220220100220120 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred million, two hundred twenty thousand, one hundred twenty".