20084134 has 32 divisors (see below), whose sum is σ = 35582976. Its totient is φ = 8324160.

The previous prime is 20084117. The next prime is 20084143. The reversal of 20084134 is 43148002.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 86082 + ... + 86314.

It is an arithmetic number, because the mean of its divisors is an integer number (1111968).

Almost surely, 2^20084134 is an apocalyptic number.

20084134 is a deficient number, since it is larger than the sum of its proper divisors (15498842).

20084134 is a wasteful number, since it uses less digits than its factorization.

20084134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20084134 is about 4481.5325503671. The cubic root of 20084134 is about 271.8218538650.

The spelling of 20084134 in words is "twenty million, eighty-four thousand, one hundred thirty-four".