20265112 has 16 divisors (see below), whose sum is σ = 43425360. Its totient is φ = 8685024.

The previous prime is 20265067. The next prime is 20265121. The reversal of 20265112 is 21156202.

It is a self number, because there is not a number n which added to its sum of digits gives 20265112.

It is a congruent number.

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, 180883 + ... + 180994.

It is an arithmetic number, because the mean of its divisors is an integer number (2714085).

Almost surely, 2^20265112 is an apocalyptic number.

It is an amenable number.

20265112 is an abundant number, since it is smaller than the sum of its proper divisors (23160248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20265112 is a wasteful number, since it uses less digits than its factorization.

20265112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361890 (or 361886 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20265112 is about 4501.6787979597. The cubic root of 20265112 is about 272.6358753403.

The spelling of 20265112 in words is "twenty million, two hundred sixty-five thousand, one hundred twelve".