20084774 has 8 divisors (see below), whose sum is σ = 30695760. Its totient is φ = 9852856.

The previous prime is 20084761. The next prime is 20084783. The reversal of 20084774 is 47748002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20084774.

It is a congruent number.

It is an unprimeable number.

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, 94634 + ... + 94845.

It is an arithmetic number, because the mean of its divisors is an integer number (3836970).

Almost surely, 2^20084774 is an apocalyptic number.

20084774 is a deficient number, since it is larger than the sum of its proper divisors (10610986).

20084774 is a wasteful number, since it uses less digits than its factorization.

20084774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189534.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 20084774 is about 4481.6039539433. The cubic root of 20084774 is about 271.8247411215.

The spelling of 20084774 in words is "twenty million, eighty-four thousand, seven hundred seventy-four".