23330030220 has 288 divisors, whose sum is σ = 87119585280. Its totient is φ = 4935997440.

The previous prime is 23330030201. The next prime is 23330030237. The reversal of 23330030220 is 2203003332.

It is a super-2 number, since 2×23330030220² (a number of 22 digits) contains 22 as substring.

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 = 23330030193 and 23330030202.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 885396 + ... + 911364.

It is an arithmetic number, because the mean of its divisors is an integer number (302498560).

Almost surely, 2^23330030220 is an apocalyptic number.

23330030220 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 23330030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43559792640).

23330030220 is an abundant number, since it is smaller than the sum of its proper divisors (63789555060).

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

23330030220 is a wasteful number, since it uses less digits than its factorization.

23330030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26045 (or 26040 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 23330030220 its reverse (2203003332), we get a palindrome (25533033552).

The spelling of 23330030220 in words is "twenty-three billion, three hundred thirty million, thirty thousand, two hundred twenty".