20832465 has 32 divisors (see below), whose sum is σ = 34947072. Its totient is φ = 10584000.

The previous prime is 20832451. The next prime is 20832467. The reversal of 20832465 is 56423802.

It is not a de Polignac number, because 20832465 - 2⁵ = 20832433 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20832467) 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 31 ways as a sum of consecutive naturals, for example, 32700 + ... + 33330.

It is an arithmetic number, because the mean of its divisors is an integer number (1092096).

Almost surely, 2^20832465 is an apocalyptic number.

It is an amenable number.

20832465 is a deficient number, since it is larger than the sum of its proper divisors (14114607).

20832465 is a wasteful number, since it uses less digits than its factorization.

20832465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 20832465 is about 4564.2595237344. The cubic root of 20832465 is about 275.1567811234.

The spelling of 20832465 in words is "twenty million, eight hundred thirty-two thousand, four hundred sixty-five".