20834113 has 8 divisors (see below), whose sum is σ = 22203648. Its totient is φ = 19503264.

The previous prime is 20834111. The next prime is 20834137. The reversal of 20834113 is 31143802.

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

It is not a de Polignac number, because 20834113 - 2¹ = 20834111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20834111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8556 + ... + 10717.

It is an arithmetic number, because the mean of its divisors is an integer number (2775456).

Almost surely, 2^20834113 is an apocalyptic number.

20834113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20834113 is a deficient number, since it is larger than the sum of its proper divisors (1369535).

20834113 is a wasteful number, since it uses less digits than its factorization.

20834113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19343.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20834113 is about 4564.4400532815. The cubic root of 20834113 is about 275.1640365685.

Adding to 20834113 its reverse (31143802), we get a palindrome (51977915).

The spelling of 20834113 in words is "twenty million, eight hundred thirty-four thousand, one hundred thirteen".