20932873 has 8 divisors (see below), whose sum is σ = 23067968. Its totient is φ = 18872784.

The previous prime is 20932841. The next prime is 20932909. The reversal of 20932873 is 37823902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20932873 - 2⁵ = 20932841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20933873) 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, 18165 + ... + 19282.

It is an arithmetic number, because the mean of its divisors is an integer number (2883496).

Almost surely, 2^20932873 is an apocalyptic number.

It is an amenable number.

20932873 is a deficient number, since it is larger than the sum of its proper divisors (2135095).

20932873 is a wasteful number, since it uses less digits than its factorization.

20932873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37503.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20932873 is about 4575.2456764637. The cubic root of 20932873 is about 275.5981382974.

The spelling of 20932873 in words is "twenty million, nine hundred thirty-two thousand, eight hundred seventy-three".