20267265 has 8 divisors (see below), whose sum is σ = 32427648. Its totient is φ = 10809200.

The previous prime is 20267263. The next prime is 20267279. The reversal of 20267265 is 56276202.

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

It is not a de Polignac number, because 20267265 - 2¹ = 20267263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20267263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675561 + ... + 675590.

It is an arithmetic number, because the mean of its divisors is an integer number (4053456).

Almost surely, 2^20267265 is an apocalyptic number.

It is an amenable number.

20267265 is a deficient number, since it is larger than the sum of its proper divisors (12160383).

20267265 is a wasteful number, since it uses less digits than its factorization.

20267265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351159.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 20267265 is about 4501.9179246184. The cubic root of 20267265 is about 272.6455300983.

The spelling of 20267265 in words is "twenty million, two hundred sixty-seven thousand, two hundred sixty-five".