220211110123020 has 72 divisors (see below), whose sum is σ = 674587301759280. Its totient is φ = 58141547222400.

The previous prime is 220211110123001. The next prime is 220211110123021. The reversal of 220211110123020 is 20321011112022.

220211110123020 is a `hidden beast` number, since 2 + 202 + 111 + 101 + 230 + 20 = 666.

220211110123020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220211110123020² (a number of 29 digits) contains 22 as substring.

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 = 220211110122984 and 220211110123002.

It is not an unprimeable number, because it can be changed into a prime (220211110123021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6056392990 + ... + 6056429349.

It is an arithmetic number, because the mean of its divisors is an integer number (9369268079990).

Almost surely, 2^{220211110123020} is an apocalyptic number.

220211110123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211110123020 is an abundant number, since it is smaller than the sum of its proper divisors (454376191636260).

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

220211110123020 is a wasteful number, since it uses less digits than its factorization.

220211110123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112822455 (or 12112822450 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 220211110123020 its reverse (20321011112022), we get a palindrome (240532121235042).

The spelling of 220211110123020 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred ten million, one hundred twenty-three thousand, twenty".