220023104 has 56 divisors (see below), whose sum is σ = 500408448. Its totient is φ = 94026240.

The previous prime is 220023101. The next prime is 220023113. The reversal of 220023104 is 401320022.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220023101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295757 + ... + 296499.

Almost surely, 2^220023104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220023104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250204224).

220023104 is an abundant number, since it is smaller than the sum of its proper divisors (280385344).

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

220023104 is an equidigital number, since it uses as much as digits as its factorization.

220023104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220023104 is about 14833.1757894255. The cubic root of 220023104 is about 603.7022054363.

Adding to 220023104 its reverse (401320022), we get a palindrome (621343126).

The spelling of 220023104 in words is "two hundred twenty million, twenty-three thousand, one hundred four".