20326265 has 8 divisors (see below), whose sum is σ = 24666120. Its totient is φ = 16077952.

The previous prime is 20326249. The next prime is 20326277. The reversal of 20326265 is 56262302.

It can be written as a sum of positive squares in 4 ways, for example, as 2920681 + 17405584 = 1709^2 + 4172^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20326265 - 2⁴ = 20326249 is a prime.

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, 22394 + ... + 23283.

It is an arithmetic number, because the mean of its divisors is an integer number (3083265).

Almost surely, 2^20326265 is an apocalyptic number.

It is an amenable number.

20326265 is a deficient number, since it is larger than the sum of its proper divisors (4339855).

20326265 is an equidigital number, since it uses as much as digits as its factorization.

20326265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45771.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20326265 is about 4508.4659253453. The cubic root of 20326265 is about 272.9098397634.

Adding to 20326265 its reverse (56262302), we get a palindrome (76588567).

The spelling of 20326265 in words is "twenty million, three hundred twenty-six thousand, two hundred sixty-five".