20268712 has 16 divisors (see below), whose sum is σ = 38052000. Its totient is φ = 10121520.

The previous prime is 20268701. The next prime is 20268733. The reversal of 20268712 is 21786202.

It is a super-2 number, since 2×20268712² = 821641372277888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10287 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (2378250).

Almost surely, 2^20268712 is an apocalyptic number.

It is an amenable number.

20268712 is a deficient number, since it is larger than the sum of its proper divisors (17783288).

20268712 is a wasteful number, since it uses less digits than its factorization.

20268712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20268712 is about 4502.0786310326. The cubic root of 20268712 is about 272.6520185365.

The spelling of 20268712 in words is "twenty million, two hundred sixty-eight thousand, seven hundred twelve".