20384061 has 4 divisors (see below), whose sum is σ = 27178752. Its totient is φ = 13589372.

The previous prime is 20384059. The next prime is 20384099. The reversal of 20384061 is 16048302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20384061 - 2¹ = 20384059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20384261) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3397341 + ... + 3397346.

It is an arithmetic number, because the mean of its divisors is an integer number (6794688).

Almost surely, 2^20384061 is an apocalyptic number.

It is an amenable number.

20384061 is a deficient number, since it is larger than the sum of its proper divisors (6794691).

20384061 is an equidigital number, since it uses as much as digits as its factorization.

20384061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794690.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20384061 is about 4514.8710945054. The cubic root of 20384061 is about 273.1682602660.

The spelling of 20384061 in words is "twenty million, three hundred eighty-four thousand, sixty-one".