20892716 has 24 divisors (see below), whose sum is σ = 40442640. Its totient is φ = 9381312.

The previous prime is 20892709. The next prime is 20892719. The reversal of 20892716 is 61729802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20892719) 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 7 ways as a sum of consecutive naturals, for example, 3506 + ... + 7353.

It is an arithmetic number, because the mean of its divisors is an integer number (1685110).

Almost surely, 2^20892716 is an apocalyptic number.

20892716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20892716 is a deficient number, since it is larger than the sum of its proper divisors (19549924).

20892716 is a wasteful number, since it uses less digits than its factorization.

20892716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10913 (or 10911 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 20892716 is about 4570.8550622394. The cubic root of 20892716 is about 275.4217923975.

The spelling of 20892716 in words is "twenty million, eight hundred ninety-two thousand, seven hundred sixteen".