20097266 has 8 divisors (see below), whose sum is σ = 34452480. Its totient is φ = 8613108.

The previous prime is 20097263. The next prime is 20097293. The reversal of 20097266 is 66279002.

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 (20097263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717746 + ... + 717773.

It is an arithmetic number, because the mean of its divisors is an integer number (4306560).

Almost surely, 2^20097266 is an apocalyptic number.

20097266 is a deficient number, since it is larger than the sum of its proper divisors (14355214).

20097266 is a wasteful number, since it uses less digits than its factorization.

20097266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435528.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 20097266 is about 4482.9974347528. The cubic root of 20097266 is about 271.8810844809.

The spelling of 20097266 in words is "twenty million, ninety-seven thousand, two hundred sixty-six".