10021303220 has 24 divisors (see below), whose sum is σ = 21770418600. Its totient is φ = 3870296192.

The previous prime is 10021303217. The next prime is 10021303267. The reversal of 10021303220 is 2230312001.

It is a happy number.

10021303220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2576374564 + 7444928656 = 50758^2 + 86284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10021303195 and 10021303204.

It is a congruent number.

It is an unprimeable number.

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, 8638475 + ... + 8639634.

It is an arithmetic number, because the mean of its divisors is an integer number (907100775).

Almost surely, 2^10021303220 is an apocalyptic number.

10021303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021303220 is an abundant number, since it is smaller than the sum of its proper divisors (11749115380).

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

10021303220 is a wasteful number, since it uses less digits than its factorization.

10021303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17278147 (or 17278145 counting only the distinct ones).

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

Adding to 10021303220 its reverse (2230312001), we get a palindrome (12251615221).

The spelling of 10021303220 in words is "ten billion, twenty-one million, three hundred three thousand, two hundred twenty".