220123110220 has 48 divisors (see below), whose sum is σ = 498123809568. Its totient is φ = 81226114560.

The previous prime is 220123110211. The next prime is 220123110223. The reversal of 220123110220 is 22011321022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220123110194 and 220123110203.

It is not an unprimeable number, because it can be changed into a prime (220123110223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162840 + ... + 683200.

It is an arithmetic number, because the mean of its divisors is an integer number (10377579366).

Almost surely, 2^220123110220 is an apocalyptic number.

220123110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220123110220 is an abundant number, since it is smaller than the sum of its proper divisors (278000699348).

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

220123110220 is a wasteful number, since it uses less digits than its factorization.

220123110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522010 (or 522008 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220123110220 its reverse (22011321022), we get a palindrome (242134431242).

The spelling of 220123110220 in words is "two hundred twenty billion, one hundred twenty-three million, one hundred ten thousand, two hundred twenty".