220202220123 has 12 divisors (see below), whose sum is σ = 320574362368. Its totient is φ = 145645562160.

The previous prime is 220202220097. The next prime is 220202220143. The reversal of 220202220123 is 321022202022.

220202220123 is a `hidden beast` number, since 220 + 202 + 220 + 1 + 23 = 666.

220202220123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220202220123 - 2³⁰ = 219128478299 is a prime.

It is a super-2 number, since 2×220202220123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220202220096 and 220202220105.

It is not an unprimeable number, because it can be changed into a prime (220202220143) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 96325288 + ... + 96327573.

Almost surely, 2^220202220123 is an apocalyptic number.

220202220123 is a deficient number, since it is larger than the sum of its proper divisors (100372142245).

220202220123 is a wasteful number, since it uses less digits than its factorization.

220202220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192652994 (or 192652991 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 220202220123 its reverse (321022202022), we get a palindrome (541224422145).

The spelling of 220202220123 in words is "two hundred twenty billion, two hundred two million, two hundred twenty thousand, one hundred twenty-three".