20832395 has 8 divisors (see below), whose sum is σ = 26469504. Its totient is φ = 15685504.

The previous prime is 20832391. The next prime is 20832397. The reversal of 20832395 is 59323802.

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 20832395 - 2² = 20832391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20832391) 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, 122459 + ... + 122628.

It is an arithmetic number, because the mean of its divisors is an integer number (3308688).

Almost surely, 2^20832395 is an apocalyptic number.

20832395 is a deficient number, since it is larger than the sum of its proper divisors (5637109).

20832395 is a wasteful number, since it uses less digits than its factorization.

20832395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245109.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 20832395 is about 4564.2518554523. The cubic root of 20832395 is about 275.1564729347.

The spelling of 20832395 in words is "twenty million, eight hundred thirty-two thousand, three hundred ninety-five".