20266675 has 24 divisors (see below), whose sum is σ = 29529360. Its totient is φ = 13603200.

The previous prime is 20266661. The next prime is 20266681. The reversal of 20266675 is 57666202.

It is a happy number.

It is not a de Polignac number, because 20266675 - 2⁵ = 20266643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20266675.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 741 + ... + 6409.

It is an arithmetic number, because the mean of its divisors is an integer number (1230390).

Almost surely, 2^20266675 is an apocalyptic number.

20266675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20266675 is a deficient number, since it is larger than the sum of its proper divisors (9262685).

20266675 is a wasteful number, since it uses less digits than its factorization.

20266675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 20266675 is about 4501.8523965141. The cubic root of 20266675 is about 272.6428844128.

The spelling of 20266675 in words is "twenty million, two hundred sixty-six thousand, six hundred seventy-five".