23020205 has 16 divisors (see below), whose sum is σ = 30132480. Its totient is φ = 16780608.

The previous prime is 23020201. The next prime is 23020273. The reversal of 23020205 is 50202032.

It is not a de Polignac number, because 23020205 - 2² = 23020201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23020205.

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, 2894 + ... + 7376.

It is an arithmetic number, because the mean of its divisors is an integer number (1883280).

Almost surely, 2^23020205 is an apocalyptic number.

It is an amenable number.

23020205 is a deficient number, since it is larger than the sum of its proper divisors (7112275).

23020205 is a wasteful number, since it uses less digits than its factorization.

23020205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 23020205 is about 4797.9375777515. The cubic root of 23020205 is about 284.4699494557.

Adding to 23020205 its reverse (50202032), we get a palindrome (73222237).

The spelling of 23020205 in words is "twenty-three million, twenty thousand, two hundred five".