20711048 has 12 divisors (see below), whose sum is σ = 38857365. Its totient is φ = 10349088.

The previous prime is 20711029. The next prime is 20711051. The reversal of 20711048 is 84011702.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 13410244 + 7300804 = 3662^2 + 2702^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3218.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12068 + ... + 13676.

Almost surely, 2^20711048 is an apocalyptic number.

It is an amenable number.

20711048 is a deficient number, since it is larger than the sum of its proper divisors (18146317).

20711048 is an frugal number, since it uses more digits than its factorization.

20711048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 1611 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 20711048 is about 4550.9392437166. The cubic root of 20711048 is about 274.6211775716.

The spelling of 20711048 in words is "twenty million, seven hundred eleven thousand, forty-eight".