20736496 has 30 divisors (see below), whose sum is σ = 44165576. Its totient is φ = 9424800.

The previous prime is 20736491. The next prime is 20736509. The reversal of 20736496 is 69463702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20736491) 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 5 ways as a sum of consecutive naturals, for example, 3420 + ... + 7291.

Almost surely, 2^20736496 is an apocalyptic number.

It is an amenable number.

20736496 is an abundant number, since it is smaller than the sum of its proper divisors (23429080).

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

20736496 is a wasteful number, since it uses less digits than its factorization.

20736496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10741 (or 10724 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 20736496 is about 4553.7342917654. The cubic root of 20736496 is about 274.7336086979.

The spelling of 20736496 in words is "twenty million, seven hundred thirty-six thousand, four hundred ninety-six".