220212000122220 has 72 divisors (see below), whose sum is σ = 667999258604496. Its totient is φ = 58721190517632.

The previous prime is 220212000122189. The next prime is 220212000122237. The reversal of 220212000122220 is 22221000212022.

220212000122220 is a `hidden beast` number, since 2 + 202 + 120 + 0 + 0 + 122 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220212000122193 and 220212000122202.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15654087 + ... + 26181566.

It is an arithmetic number, because the mean of its divisors is an integer number (9277767480618).

Almost surely, 2^{220212000122220} is an apocalyptic number.

220212000122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212000122220 is an abundant number, since it is smaller than the sum of its proper divisors (447787258482276).

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

220212000122220 is a wasteful number, since it uses less digits than its factorization.

220212000122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41864911 (or 41864906 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220212000122220 its reverse (22221000212022), we get a palindrome (242433000334242).

The spelling of 220212000122220 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred twenty-two thousand, two hundred twenty".