220101112022220 has 384 divisors, whose sum is σ = 824093413032960. Its totient is φ = 48052092672000.

The previous prime is 220101112022191. The next prime is 220101112022269. The reversal of 220101112022220 is 22220211101022.

It is a happy number.

220101112022220 is a `hidden beast` number, since 220 + 10 + 1 + 11 + 202 + 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 = 220101112022193 and 220101112022202.

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 127 ways as a sum of consecutive naturals, for example, 31593886 + ... + 37925925.

It is an arithmetic number, because the mean of its divisors is an integer number (2146076596440).

Almost surely, 2^{220101112022220} is an apocalyptic number.

220101112022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220101112022220 is an abundant number, since it is smaller than the sum of its proper divisors (603992301010740).

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

220101112022220 is a wasteful number, since it uses less digits than its factorization.

220101112022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69519894 (or 69519886 counting only the distinct ones).

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

Adding to 220101112022220 its reverse (22220211101022), we get a palindrome (242321323123242).

The spelling of 220101112022220 in words is "two hundred twenty trillion, one hundred one billion, one hundred twelve million, twenty-two thousand, two hundred twenty".