20331424113 has 128 divisors (see below), whose sum is σ = 38301548544. Its totient is φ = 9252403200.

The previous prime is 20331424093. The next prime is 20331424133. The reversal of 20331424113 is 31142413302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20331424093) and next prime (20331424133).

It is not a de Polignac number, because 20331424113 - 2⁶ = 20331424049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20331424133) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4553320 + ... + 4557782.

It is an arithmetic number, because the mean of its divisors is an integer number (299230848).

Almost surely, 2^20331424113 is an apocalyptic number.

It is an amenable number.

20331424113 is a deficient number, since it is larger than the sum of its proper divisors (17970124431).

20331424113 is a wasteful number, since it uses less digits than its factorization.

20331424113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20331424113 its reverse (31142413302), we get a palindrome (51473837415).

It can be divided in two parts, 20331 and 424113, that added together give a palindrome (444444).

The spelling of 20331424113 in words is "twenty billion, three hundred thirty-one million, four hundred twenty-four thousand, one hundred thirteen".