20324303331 has 8 divisors (see below), whose sum is σ = 27729282240. Its totient is φ = 13234429992.

The previous prime is 20324303309. The next prime is 20324303333. The reversal of 20324303331 is 13330342302.

It is a happy number.

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

It is not a de Polignac number, because 20324303331 - 2¹⁵ = 20324270563 is a prime.

It is a super-2 number, since 2×20324303331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20324303333) 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, 78776241 + ... + 78776498.

It is an arithmetic number, because the mean of its divisors is an integer number (3466160280).

Almost surely, 2^20324303331 is an apocalyptic number.

20324303331 is a deficient number, since it is larger than the sum of its proper divisors (7404978909).

20324303331 is a wasteful number, since it uses less digits than its factorization.

20324303331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157552785.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20324303331 its reverse (13330342302), we get a palindrome (33654645633).

The spelling of 20324303331 in words is "twenty billion, three hundred twenty-four million, three hundred three thousand, three hundred thirty-one".