20084679 has 14 divisors (see below), whose sum is σ = 30114336. Its totient is φ = 13389300.

The previous prime is 20084671. The next prime is 20084717. The reversal of 20084679 is 97648002.

It is not a de Polignac number, because 20084679 - 2³ = 20084671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084671) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 13047 + ... + 14504.

It is an arithmetic number, because the mean of its divisors is an integer number (2151024).

Almost surely, 2^20084679 is an apocalyptic number.

20084679 is a deficient number, since it is larger than the sum of its proper divisors (10029657).

20084679 is an frugal number, since it uses more digits than its factorization.

20084679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27569 (or 27554 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20084679 is about 4481.5933550468. The cubic root of 20084679 is about 271.8243125482.

The spelling of 20084679 in words is "twenty million, eighty-four thousand, six hundred seventy-nine".