20331200231 has 8 divisors (see below), whose sum is σ = 20393725440. Its totient is φ = 20268749592.

The previous prime is 20331200191. The next prime is 20331200233. The reversal of 20331200231 is 13200213302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20331200231 is a prime.

It is a super-2 number, since 2×20331200231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331200233) 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, 554246 + ... + 589788.

It is an arithmetic number, because the mean of its divisors is an integer number (2549215680).

Almost surely, 2^20331200231 is an apocalyptic number.

20331200231 is a deficient number, since it is larger than the sum of its proper divisors (62525209).

20331200231 is a wasteful number, since it uses less digits than its factorization.

20331200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37285.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20331200231 its reverse (13200213302), we get a palindrome (33531413533).

The spelling of 20331200231 in words is "twenty billion, three hundred thirty-one million, two hundred thousand, two hundred thirty-one".