20206265 has 8 divisors (see below), whose sum is σ = 25029888. Its totient is φ = 15643440.

The previous prime is 20206247. The next prime is 20206271. The reversal of 20206265 is 56260202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20206265 - 2⁸ = 20206009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20206265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65027 + ... + 65336.

It is an arithmetic number, because the mean of its divisors is an integer number (3128736).

Almost surely, 2^20206265 is an apocalyptic number.

It is an amenable number.

20206265 is a deficient number, since it is larger than the sum of its proper divisors (4823623).

20206265 is a wasteful number, since it uses less digits than its factorization.

20206265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130399.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20206265 is about 4495.1379289183. The cubic root of 20206265 is about 272.3717208976.

Adding to 20206265 its reverse (56260202), we get a palindrome (76466467).

The spelling of 20206265 in words is "twenty million, two hundred six thousand, two hundred sixty-five".