20164225265 has 8 divisors (see below), whose sum is σ = 24202913280. Its totient is φ = 16127484912.

The previous prime is 20164225261. The next prime is 20164225313. The reversal of 20164225265 is 56252246102.

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 20164225265 - 2² = 20164225261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20164225261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464039 + ... + 505628.

It is an arithmetic number, because the mean of its divisors is an integer number (3025364160).

Almost surely, 2^20164225265 is an apocalyptic number.

It is an amenable number.

20164225265 is a deficient number, since it is larger than the sum of its proper divisors (4038688015).

20164225265 is an equidigital number, since it uses as much as digits as its factorization.

20164225265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973831.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20164225265 in words is "twenty billion, one hundred sixty-four million, two hundred twenty-five thousand, two hundred sixty-five".