10021003320 has 64 divisors (see below), whose sum is σ = 30107272320. Its totient is φ = 2668333184.

The previous prime is 10021003309. The next prime is 10021003337. The reversal of 10021003320 is 2330012001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10021003296 and 10021003305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20827 + ... + 143093.

It is an arithmetic number, because the mean of its divisors is an integer number (470426130).

Almost surely, 2^10021003320 is an apocalyptic number.

10021003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021003320 is an abundant number, since it is smaller than the sum of its proper divisors (20086269000).

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

10021003320 is a wasteful number, since it uses less digits than its factorization.

10021003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122964 (or 122960 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10021003320 its reverse (2330012001), we get a palindrome (12351015321).

The spelling of 10021003320 in words is "ten billion, twenty-one million, three thousand, three hundred twenty".