20350486 has 8 divisors (see below), whose sum is σ = 32873904. Its totient is φ = 9392520.

The previous prime is 20350471. The next prime is 20350487. The reversal of 20350486 is 68405302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350487) by changing a digit.

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, 391330 + ... + 391381.

It is an arithmetic number, because the mean of its divisors is an integer number (4109238).

Almost surely, 2^20350486 is an apocalyptic number.

20350486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20350486 is a deficient number, since it is larger than the sum of its proper divisors (12523418).

20350486 is a wasteful number, since it uses less digits than its factorization.

20350486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782726.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20350486 is about 4511.1512942928. The cubic root of 20350486 is about 273.0181975195.

Adding to 20350486 its reverse (68405302), we get a palindrome (88755788).

The spelling of 20350486 in words is "twenty million, three hundred fifty thousand, four hundred eighty-six".