20607265 has 8 divisors (see below), whose sum is σ = 28261440. Its totient is φ = 14130672.

The previous prime is 20607263. The next prime is 20607271. The reversal of 20607265 is 56270602.

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 20607265 - 2¹ = 20607263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20607263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294355 + ... + 294424.

It is an arithmetic number, because the mean of its divisors is an integer number (3532680).

Almost surely, 2^20607265 is an apocalyptic number.

It is an amenable number.

20607265 is a deficient number, since it is larger than the sum of its proper divisors (7654175).

20607265 is an equidigital number, since it uses as much as digits as its factorization.

20607265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588791.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20607265 is about 4539.5225519872. The cubic root of 20607265 is about 274.1617006006.

Adding to 20607265 its reverse (56270602), we get a palindrome (76877867).

The spelling of 20607265 in words is "twenty million, six hundred seven thousand, two hundred sixty-five".