20055046 has 8 divisors (see below), whose sum is σ = 32817384. Its totient is φ = 9115920.

The previous prime is 20055017. The next prime is 20055083. The reversal of 20055046 is 64055002.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 911593 = 20055046 / (2 + 0 + 0 + 5 + 5 + 0 + 4 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455775 + ... + 455818.

It is an arithmetic number, because the mean of its divisors is an integer number (4102173).

Almost surely, 2^20055046 is an apocalyptic number.

20055046 is a deficient number, since it is larger than the sum of its proper divisors (12762338).

20055046 is a wasteful number, since it uses less digits than its factorization.

20055046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911606.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 20055046 is about 4478.2860560710. The cubic root of 20055046 is about 271.6905632602.

The spelling of 20055046 in words is "twenty million, fifty-five thousand, forty-six".