220123030104 has 48 divisors (see below), whose sum is σ = 605939773920. Its totient is φ = 72171483840.

The previous prime is 220123030087. The next prime is 220123030139. The reversal of 220123030104 is 401030321022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25055152 + ... + 25063935.

It is an arithmetic number, because the mean of its divisors is an integer number (12623745290).

Almost surely, 2^220123030104 is an apocalyptic number.

220123030104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220123030104 is an abundant number, since it is smaller than the sum of its proper divisors (385816743816).

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

220123030104 is a wasteful number, since it uses less digits than its factorization.

220123030104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50119160 (or 50119153 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220123030104 its reverse (401030321022), we get a palindrome (621153351126).

The spelling of 220123030104 in words is "two hundred twenty billion, one hundred twenty-three million, thirty thousand, one hundred four".