220020323123 has 8 divisors (see below), whose sum is σ = 223646529456. Its totient is φ = 216394740000.

The previous prime is 220020323113. The next prime is 220020323147. The reversal of 220020323123 is 321323020022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220020323123 - 2²² = 220016128819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220020323095 and 220020323104.

It is not an unprimeable number, because it can be changed into a prime (220020323113) 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, 584873 + ... + 884373.

It is an arithmetic number, because the mean of its divisors is an integer number (27955816182).

Almost surely, 2^220020323123 is an apocalyptic number.

220020323123 is a deficient number, since it is larger than the sum of its proper divisors (3626206333).

220020323123 is a wasteful number, since it uses less digits than its factorization.

220020323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311605.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 220020323123 its reverse (321323020022), we get a palindrome (541343343145).

The spelling of 220020323123 in words is "two hundred twenty billion, twenty million, three hundred twenty-three thousand, one hundred twenty-three".