20384486 has 12 divisors (see below), whose sum is σ = 31965612. Its totient is φ = 9748596.

The previous prime is 20384443. The next prime is 20384491. The reversal of 20384486 is 68448302.

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 5 ways as a sum of consecutive naturals, for example, 8576 + ... + 10691.

It is an arithmetic number, because the mean of its divisors is an integer number (2663801).

Almost surely, 2^20384486 is an apocalyptic number.

20384486 is a deficient number, since it is larger than the sum of its proper divisors (11581126).

20384486 is a wasteful number, since it uses less digits than its factorization.

20384486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19315 (or 19292 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 20384486 is about 4514.9181609416. The cubic root of 20384486 is about 273.1701587380.

The spelling of 20384486 in words is "twenty million, three hundred eighty-four thousand, four hundred eighty-six".