20679327 has 16 divisors (see below), whose sum is σ = 32438880. Its totient is φ = 12974976.

The previous prime is 20679317. The next prime is 20679341. The reversal of 20679327 is 72397602.

It is not a de Polignac number, because 20679327 - 2⁴ = 20679311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20679291 and 20679300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20679317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22068 + ... + 22985.

It is an arithmetic number, because the mean of its divisors is an integer number (2027430).

Almost surely, 2^20679327 is an apocalyptic number.

20679327 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20679327 is a deficient number, since it is larger than the sum of its proper divisors (11759553).

20679327 is a wasteful number, since it uses less digits than its factorization.

20679327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45079 (or 45073 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 20679327 is about 4547.4528034934. The cubic root of 20679327 is about 274.4809028489.

The spelling of 20679327 in words is "twenty million, six hundred seventy-nine thousand, three hundred twenty-seven".