23230220 has 48 divisors (see below), whose sum is σ = 53682048. Its totient is φ = 8390400.

The previous prime is 23230219. The next prime is 23230237. The reversal of 23230220 is 2203232.

It is a junction number, because it is equal to n+sod(n) for n = 23230195 and 23230204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11270 + ... + 13170.

It is an arithmetic number, because the mean of its divisors is an integer number (1118376).

Almost surely, 2^23230220 is an apocalyptic number.

23230220 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 23230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26841024).

23230220 is an abundant number, since it is smaller than the sum of its proper divisors (30451828).

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

23230220 is a wasteful number, since it uses less digits than its factorization.

23230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 23230220 is about 4819.7738536160. The cubic root of 23230220 is about 285.3324119738.

Adding to 23230220 its reverse (2203232), we get a palindrome (25433452).

The spelling of 23230220 in words is "twenty-three million, two hundred thirty thousand, two hundred twenty".