220111012202220 has 72 divisors (see below), whose sum is σ = 667671288298560. Its totient is φ = 58696162848000.

The previous prime is 220111012202183. The next prime is 220111012202287. The reversal of 220111012202220 is 22202210111022.

It is a happy number.

220111012202220 is a `hidden beast` number, since 220 + 1 + 1 + 1 + 0 + 1 + 220 + 2 + 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 = 220111012202193 and 220111012202202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173956845 + ... + 175217595.

It is an arithmetic number, because the mean of its divisors is an integer number (9273212337480).

Almost surely, 2^{220111012202220} is an apocalyptic number.

220111012202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111012202220 is an abundant number, since it is smaller than the sum of its proper divisors (447560276096340).

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

220111012202220 is a wasteful number, since it uses less digits than its factorization.

220111012202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230695 (or 2230690 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220111012202220 its reverse (22202210111022), we get a palindrome (242313222313242).

The spelling of 220111012202220 in words is "two hundred twenty trillion, one hundred eleven billion, twelve million, two hundred two thousand, two hundred twenty".