20711796 has 24 divisors (see below), whose sum is σ = 55231680. Its totient is φ = 5917632.

The previous prime is 20711791. The next prime is 20711807. The reversal of 20711796 is 69711702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20711791) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 123201 + ... + 123368.

It is an arithmetic number, because the mean of its divisors is an integer number (2301320).

Almost surely, 2^20711796 is an apocalyptic number.

It is an amenable number.

20711796 is an abundant number, since it is smaller than the sum of its proper divisors (34519884).

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

20711796 is a wasteful number, since it uses less digits than its factorization.

20711796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246583 (or 246581 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 20711796 is about 4551.0214238125. The cubic root of 20711796 is about 274.6244836037.

The spelling of 20711796 in words is "twenty million, seven hundred eleven thousand, seven hundred ninety-six".