20275336 has 16 divisors (see below), whose sum is σ = 38088540. Its totient is φ = 10118400.

The previous prime is 20275331. The next prime is 20275349. The reversal of 20275336 is 63357202.

It can be written as a sum of positive squares in 2 ways, for example, as 17056900 + 3218436 = 4130^2 + 1794^2 .

It is a super-2 number, since 2×20275336² = 822178499825792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20275331) 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, 2700 + ... + 6916.

Almost surely, 2^20275336 is an apocalyptic number.

It is an amenable number.

20275336 is a deficient number, since it is larger than the sum of its proper divisors (17813204).

20275336 is a wasteful number, since it uses less digits than its factorization.

20275336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824 (or 4820 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 20275336 is about 4502.8142311226. The cubic root of 20275336 is about 272.6817170239.

The spelling of 20275336 in words is "twenty million, two hundred seventy-five thousand, three hundred thirty-six".