20150266 has 8 divisors (see below), whose sum is σ = 30260160. Its totient is φ = 10063548.

The previous prime is 20150261. The next prime is 20150267. The reversal of 20150266 is 66205102.

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

It is not an unprimeable number, because it can be changed into a prime (20150261) 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 3 ways as a sum of consecutive naturals, for example, 3426 + ... + 7213.

It is an arithmetic number, because the mean of its divisors is an integer number (3782520).

Almost surely, 2^20150266 is an apocalyptic number.

20150266 is a deficient number, since it is larger than the sum of its proper divisors (10109894).

20150266 is a wasteful number, since it uses less digits than its factorization.

20150266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11588.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20150266 is about 4488.9047661985. The cubic root of 20150266 is about 272.1198739932.

Adding to 20150266 its reverse (66205102), we get a palindrome (86355368).

The spelling of 20150266 in words is "twenty million, one hundred fifty thousand, two hundred sixty-six".