20711032 has 16 divisors (see below), whose sum is σ = 41117760. Its totient is φ = 9746304.

The previous prime is 20711029. The next prime is 20711051. The reversal of 20711032 is 23011702.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20710997 and 20711015.

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, 76008 + ... + 76279.

It is an arithmetic number, because the mean of its divisors is an integer number (2569860).

Almost surely, 2^20711032 is an apocalyptic number.

It is an amenable number.

20711032 is a deficient number, since it is larger than the sum of its proper divisors (20406728).

20711032 is a wasteful number, since it uses less digits than its factorization.

20711032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152310 (or 152306 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 20711032 is about 4550.9374858374. The cubic root of 20711032 is about 274.6211068535.

Adding to 20711032 its reverse (23011702), we get a palindrome (43722734).

The spelling of 20711032 in words is "twenty million, seven hundred eleven thousand, thirty-two".