20018230327 has 16 divisors (see below), whose sum is σ = 20615067648. Its totient is φ = 19430629920.

The previous prime is 20018230321. The next prime is 20018230333. The reversal of 20018230327 is 72303281002.

It is an interprime number because it is at equal distance from previous prime (20018230321) and next prime (20018230333).

It is a cyclic number.

It is not a de Polignac number, because 20018230327 - 2¹⁹ = 20017706039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20018230295 and 20018230304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20018230321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921302 + ... + 1931692.

It is an arithmetic number, because the mean of its divisors is an integer number (1288441728).

Almost surely, 2^20018230327 is an apocalyptic number.

20018230327 is a deficient number, since it is larger than the sum of its proper divisors (596837321).

20018230327 is a wasteful number, since it uses less digits than its factorization.

20018230327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830.

The product of its (nonzero) digits is 4032, while the sum is 28.

It can be divided in two parts, 2001 and 8230327, that added together give a palindrome (8232328).

The spelling of 20018230327 in words is "twenty billion, eighteen million, two hundred thirty thousand, three hundred twenty-seven".