23020206 has 32 divisors (see below), whose sum is σ = 50803200. Its totient is φ = 6895680.

The previous prime is 23020201. The next prime is 23020273. The reversal of 23020206 is 60202032.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020201) 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, 3915 + ... + 7833.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^23020206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23020206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25401600).

23020206 is an abundant number, since it is smaller than the sum of its proper divisors (27782994).

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

23020206 is a wasteful number, since it uses less digits than its factorization.

23020206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23020206 is about 4797.9376819629. The cubic root of 23020206 is about 284.4699535748.

Adding to 23020206 its reverse (60202032), we get a palindrome (83222238).

The spelling of 23020206 in words is "twenty-three million, twenty thousand, two hundred six".