20827716 has 48 divisors (see below), whose sum is σ = 59816064. Its totient is φ = 5492736.

The previous prime is 20827711. The next prime is 20827717. The reversal of 20827716 is 61772802.

It is not an unprimeable number, because it can be changed into a prime (20827711) 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 15 ways as a sum of consecutive naturals, for example, 8445 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (1246168).

Almost surely, 2^20827716 is an apocalyptic number.

20827716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20827716 is an abundant number, since it is smaller than the sum of its proper divisors (38988348).

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

20827716 is a wasteful number, since it uses less digits than its factorization.

20827716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19100 (or 19098 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 20827716 is about 4563.7392563555. The cubic root of 20827716 is about 275.1358711502.

The spelling of 20827716 in words is "twenty million, eight hundred twenty-seven thousand, seven hundred sixteen".