20231313120 has 72 divisors (see below), whose sum is σ = 69039360936. Its totient is φ = 5395016448.

The previous prime is 20231313103. The next prime is 20231313127. The reversal of 20231313120 is 2131313202.

20231313120 is a `hidden beast` number, since 2 + 0 + 231 + 313 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20231313093 and 20231313102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231313127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7023322 + ... + 7026201.

It is an arithmetic number, because the mean of its divisors is an integer number (958880013).

Almost surely, 2^20231313120 is an apocalyptic number.

20231313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20231313120 is an abundant number, since it is smaller than the sum of its proper divisors (48808047816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231313120 is a wasteful number, since it uses less digits than its factorization.

20231313120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049544 (or 14049533 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20231313120 its reverse (2131313202), we get a palindrome (22362626322).

The spelling of 20231313120 in words is "twenty billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred twenty".