20231010320 has 80 divisors (see below), whose sum is σ = 48086922240. Its totient is φ = 7913241600.

The previous prime is 20231010307. The next prime is 20231010329. The reversal of 20231010320 is 2301013202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 20231010295 and 20231010304.

It is not an unprimeable number, because it can be changed into a prime (20231010329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890300 + ... + 912740.

It is an arithmetic number, because the mean of its divisors is an integer number (601086528).

Almost surely, 2^20231010320 is an apocalyptic number.

20231010320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20231010320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24043461120).

20231010320 is an abundant number, since it is smaller than the sum of its proper divisors (27855911920).

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

20231010320 is a wasteful number, since it uses less digits than its factorization.

20231010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22704 (or 22698 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20231010320 its reverse (2301013202), we get a palindrome (22532023522).

The spelling of 20231010320 in words is "twenty billion, two hundred thirty-one million, ten thousand, three hundred twenty".