220020221120 has 56 divisors (see below), whose sum is σ = 598769322144. Its totient is φ = 75435503616.

The previous prime is 220020221111. The next prime is 220020221123. The reversal of 220020221120 is 21122020022.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 220020221095 and 220020221104.

It is not an unprimeable number, because it can be changed into a prime (220020221123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49109417 + ... + 49113896.

It is an arithmetic number, because the mean of its divisors is an integer number (10692309324).

Almost surely, 2^220020221120 is an apocalyptic number.

220020221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020221120 is an abundant number, since it is smaller than the sum of its proper divisors (378749101024).

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

220020221120 is an equidigital number, since it uses as much as digits as its factorization.

220020221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98223337 (or 98223327 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220020221120 its reverse (21122020022), we get a palindrome (241142241142).

The spelling of 220020221120 in words is "two hundred twenty billion, twenty million, two hundred twenty-one thousand, one hundred twenty".