23260220 has 12 divisors (see below), whose sum is σ = 48846504. Its totient is φ = 9304080.

The previous prime is 23260213. The next prime is 23260231. The reversal of 23260220 is 2206232.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 581486 + ... + 581525.

It is an arithmetic number, because the mean of its divisors is an integer number (4070542).

Almost surely, 2^23260220 is an apocalyptic number.

23260220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23260220 is an abundant number, since it is smaller than the sum of its proper divisors (25586284).

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

23260220 is a wasteful number, since it uses less digits than its factorization.

23260220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163020 (or 1163018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23260220 is about 4822.8850286939. The cubic root of 23260220 is about 285.4551872518.

Adding to 23260220 its reverse (2206232), we get a palindrome (25466452).

The spelling of 23260220 in words is "twenty-three million, two hundred sixty thousand, two hundred twenty".