20834359 has 12 divisors (see below), whose sum is σ = 26100984. Its totient is φ = 16483824.

The previous prime is 20834327. The next prime is 20834399. The reversal of 20834359 is 95343802.

It is a happy number.

It is not a de Polignac number, because 20834359 - 2⁵ = 20834327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20834399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15717 + ... + 16990.

It is an arithmetic number, because the mean of its divisors is an integer number (2175082).

Almost surely, 2^20834359 is an apocalyptic number.

20834359 is a deficient number, since it is larger than the sum of its proper divisors (5266625).

20834359 is a wasteful number, since it uses less digits than its factorization.

20834359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32734 (or 32727 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 20834359 is about 4564.4670006475. The cubic root of 20834359 is about 275.1651195694.

The spelling of 20834359 in words is "twenty million, eight hundred thirty-four thousand, three hundred fifty-nine".