20084353 has 4 divisors (see below), whose sum is σ = 20098260. Its totient is φ = 20070448.

The previous prime is 20084333. The next prime is 20084357. The reversal of 20084353 is 35348002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9437184 + 10647169 = 3072^2 + 3263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20084353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20084357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4498 + ... + 7771.

It is an arithmetic number, because the mean of its divisors is an integer number (5024565).

Almost surely, 2^20084353 is an apocalyptic number.

It is an amenable number.

20084353 is a deficient number, since it is larger than the sum of its proper divisors (13907).

20084353 is a wasteful number, since it uses less digits than its factorization.

20084353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13906.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 20084353 is about 4481.5569839064. The cubic root of 20084353 is about 271.8228418550.

The spelling of 20084353 in words is "twenty million, eighty-four thousand, three hundred fifty-three".