10223021320 has 16 divisors (see below), whose sum is σ = 23001798060. Its totient is φ = 4089208512.

The previous prime is 10223021299. The next prime is 10223021321. The reversal of 10223021320 is 2312032201.

It can be written as a sum of positive squares in 2 ways, for example, as 9307232676 + 915788644 = 96474^2 + 30262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10223021294 and 10223021303.

It is not an unprimeable number, because it can be changed into a prime (10223021321) 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, 127787727 + ... + 127787806.

Almost surely, 2^10223021320 is an apocalyptic number.

10223021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10223021320 is an abundant number, since it is smaller than the sum of its proper divisors (12778776740).

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

10223021320 is a wasteful number, since it uses less digits than its factorization.

10223021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255575544 (or 255575540 counting only the distinct ones).

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

Adding to 10223021320 its reverse (2312032201), we get a palindrome (12535053521).

The spelling of 10223021320 in words is "ten billion, two hundred twenty-three million, twenty-one thousand, three hundred twenty".