23300220 has 48 divisors (see below), whose sum is σ = 67350528. Its totient is φ = 6012480.

The previous prime is 23300209. The next prime is 23300227. The reversal of 23300220 is 2200332.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 23300196 and 23300205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4404 + ... + 8123.

It is an arithmetic number, because the mean of its divisors is an integer number (1403136).

Almost surely, 2^23300220 is an apocalyptic number.

23300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23300220 is an abundant number, since it is smaller than the sum of its proper divisors (44050308).

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

23300220 is a wasteful number, since it uses less digits than its factorization.

23300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12570 (or 12568 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 23300220 is about 4827.0301428518. The cubic root of 23300220 is about 285.6187235173.

Adding to 23300220 its reverse (2200332), we get a palindrome (25500552).

The spelling of 23300220 in words is "twenty-three million, three hundred thousand, two hundred twenty".