10231020320 has 24 divisors (see below), whose sum is σ = 24170785884. Its totient is φ = 4092408064.

The previous prime is 10231020313. The next prime is 10231020323. The reversal of 10231020320 is 2302013201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8778190864 + 1452829456 = 93692^2 + 38116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10231020295 and 10231020304.

It is not an unprimeable number, because it can be changed into a prime (10231020323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31971779 + ... + 31972098.

Almost surely, 2^10231020320 is an apocalyptic number.

10231020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10231020320 is an abundant number, since it is smaller than the sum of its proper divisors (13939765564).

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

10231020320 is an equidigital number, since it uses as much as digits as its factorization.

10231020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63943892 (or 63943884 counting only the distinct ones).

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

Adding to 10231020320 its reverse (2302013201), we get a palindrome (12533033521).

The spelling of 10231020320 in words is "ten billion, two hundred thirty-one million, twenty thousand, three hundred twenty".