20333232313 has 16 divisors (see below), whose sum is σ = 21597836544. Its totient is φ = 19076359680.

The previous prime is 20333232307. The next prime is 20333232319. The reversal of 20333232313 is 31323233302.

It is an interprime number because it is at equal distance from previous prime (20333232307) and next prime (20333232319).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20333232313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333232319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9513781 + ... + 9515917.

It is an arithmetic number, because the mean of its divisors is an integer number (1349864784).

Almost surely, 2^20333232313 is an apocalyptic number.

It is an amenable number.

20333232313 is a deficient number, since it is larger than the sum of its proper divisors (1264604231).

20333232313 is a wasteful number, since it uses less digits than its factorization.

20333232313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 20333232313 its reverse (31323233302), we get a palindrome (51656465615).

It can be divided in two parts, 20 and 333232313, that added together give a palindrome (333232333).

The spelling of 20333232313 in words is "twenty billion, three hundred thirty-three million, two hundred thirty-two thousand, three hundred thirteen".