220020000123 has 16 divisors (see below), whose sum is σ = 365747533056. Its totient is φ = 114296103840.

The previous prime is 220020000119. The next prime is 220020000131. The reversal of 220020000123 is 321000020022.

It is not a de Polignac number, because 220020000123 - 2² = 220020000119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220020000099 and 220020000108.

It is not an unprimeable number, because it can be changed into a prime (220020050123) 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, 476233536 + ... + 476233997.

It is an arithmetic number, because the mean of its divisors is an integer number (22859220816).

Almost surely, 2^220020000123 is an apocalyptic number.

220020000123 is a deficient number, since it is larger than the sum of its proper divisors (145727532933).

220020000123 is a wasteful number, since it uses less digits than its factorization.

220020000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952467554.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 220020000123 its reverse (321000020022), we get a palindrome (541020020145).

The spelling of 220020000123 in words is "two hundred twenty billion, twenty million, one hundred twenty-three", and thus it is an aban number.