20275012 has 12 divisors (see below), whose sum is σ = 35514220. Its totient is φ = 10128096.

The previous prime is 20275007. The next prime is 20275019. The reversal of 20275012 is 21057202.

It can be written as a sum of positive squares in 2 ways, for example, as 14243076 + 6031936 = 3774^2 + 2456^2 .

It is a super-2 number, since 2×20275012² = 822152223200288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20275019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5158 + ... + 8194.

Almost surely, 2^20275012 is an apocalyptic number.

It is an amenable number.

20275012 is a deficient number, since it is larger than the sum of its proper divisors (15239208).

20275012 is a wasteful number, since it uses less digits than its factorization.

20275012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710 (or 4708 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20275012 is about 4502.7782534786. The cubic root of 20275012 is about 272.6802645310.

The spelling of 20275012 in words is "twenty million, two hundred seventy-five thousand, twelve".