23103320220 has 144 divisors (see below), whose sum is σ = 72104279520. Its totient is φ = 5983538688.

The previous prime is 23103320203. The next prime is 23103320221. The reversal of 23103320220 is 2202330132.

It is a happy number.

23103320220 is a `hidden beast` number, since 2 + 310 + 332 + 0 + 2 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 23103320193 and 23103320202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4079751 + ... + 4085409.

Almost surely, 2^23103320220 is an apocalyptic number.

23103320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23103320220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36052139760).

23103320220 is an abundant number, since it is smaller than the sum of its proper divisors (49000959300).

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

23103320220 is a wasteful number, since it uses less digits than its factorization.

23103320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324 (or 6319 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23103320220 its reverse (2202330132), we get a palindrome (25305650352).

The spelling of 23103320220 in words is "twenty-three billion, one hundred three million, three hundred twenty thousand, two hundred twenty".