20330302231 has 8 divisors (see below), whose sum is σ = 20990089728. Its totient is φ = 19670763000.

The previous prime is 20330302219. The next prime is 20330302241. The reversal of 20330302231 is 13220303302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20330302231 - 2¹⁷ = 20330171159 is a prime.

It is a super-2 number, since 2×20330302231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330302199 and 20330302208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330302241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112176 + ... + 230746.

It is an arithmetic number, because the mean of its divisors is an integer number (2623761216).

Almost surely, 2^20330302231 is an apocalyptic number.

20330302231 is a deficient number, since it is larger than the sum of its proper divisors (659787497).

20330302231 is a wasteful number, since it uses less digits than its factorization.

20330302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124133.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20330302231 its reverse (13220303302), we get a palindrome (33550605533).

The spelling of 20330302231 in words is "twenty billion, three hundred thirty million, three hundred two thousand, two hundred thirty-one".