20302330231 has 8 divisors (see below), whose sum is σ = 20754811584. Its totient is φ = 19850703840.

The previous prime is 20302330219. The next prime is 20302330241. The reversal of 20302330231 is 13203320302.

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 20302330231 - 2¹³ = 20302322039 is a prime.

It is a super-2 number, since 2×20302330231² (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 = 20302330199 and 20302330208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302330211) 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, 165600 + ... + 260821.

It is an arithmetic number, because the mean of its divisors is an integer number (2594351448).

Almost surely, 2^20302330231 is an apocalyptic number.

20302330231 is a deficient number, since it is larger than the sum of its proper divisors (452481353).

20302330231 is a wasteful number, since it uses less digits than its factorization.

20302330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427481.

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

Adding to 20302330231 its reverse (13203320302), we get a palindrome (33505650533).

The spelling of 20302330231 in words is "twenty billion, three hundred two million, three hundred thirty thousand, two hundred thirty-one".