20231310220 has 24 divisors (see below), whose sum is σ = 46348093008. Its totient is φ = 7356840000.

The previous prime is 20231310199. The next prime is 20231310221. The reversal of 20231310220 is 2201313202.

It is a junction number, because it is equal to n+sod(n) for n = 20231310194 and 20231310203.

It is not an unprimeable number, because it can be changed into a prime (20231310221) 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 7 ways as a sum of consecutive naturals, for example, 45980031 + ... + 45980470.

It is an arithmetic number, because the mean of its divisors is an integer number (1931170542).

Almost surely, 2^20231310220 is an apocalyptic number.

20231310220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20231310220 is an abundant number, since it is smaller than the sum of its proper divisors (26116782788).

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

20231310220 is a wasteful number, since it uses less digits than its factorization.

20231310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91960521 (or 91960519 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20231310220 its reverse (2201313202), we get a palindrome (22432623422).

The spelling of 20231310220 in words is "twenty billion, two hundred thirty-one million, three hundred ten thousand, two hundred twenty".