20230113135 has 32 divisors (see below), whose sum is σ = 34281213120. Its totient is φ = 10152050688.

The previous prime is 20230113131. The next prime is 20230113157. The reversal of 20230113135 is 53131103202.

It is not a de Polignac number, because 20230113135 - 2² = 20230113131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230113131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1265271 + ... + 1281159.

It is an arithmetic number, because the mean of its divisors is an integer number (1071287910).

Almost surely, 2^20230113135 is an apocalyptic number.

20230113135 is a deficient number, since it is larger than the sum of its proper divisors (14051099985).

20230113135 is a wasteful number, since it uses less digits than its factorization.

20230113135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20907.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 20230113135 its reverse (53131103202), we get a palindrome (73361216337).

The spelling of 20230113135 in words is "twenty billion, two hundred thirty million, one hundred thirteen thousand, one hundred thirty-five".