20882165 has 16 divisors (see below), whose sum is σ = 25868160. Its totient is φ = 16175040.

The previous prime is 20882153. The next prime is 20882167. The reversal of 20882165 is 56128802.

20882165 = T₂₁₉ + T₂₂₀ + ... + T₅₁₃.

It is not a de Polignac number, because 20882165 - 2¹⁰ = 20881141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20882167) 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, 20447 + ... + 21443.

It is an arithmetic number, because the mean of its divisors is an integer number (1616760).

Almost surely, 2^20882165 is an apocalyptic number.

It is an amenable number.

20882165 is a deficient number, since it is larger than the sum of its proper divisors (4985995).

20882165 is an equidigital number, since it uses as much as digits as its factorization.

20882165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 20882165 is about 4569.7007560671. The cubic root of 20882165 is about 275.3754211382.

The spelling of 20882165 in words is "twenty million, eight hundred eighty-two thousand, one hundred sixty-five".