10001203320 has 192 divisors, whose sum is σ = 31737031200. Its totient is φ = 2518297600.

The previous prime is 10001203313. The next prime is 10001203357. The reversal of 10001203320 is 2330210001.

It is a happy number.

It is a super-3 number, since 3×10001203320³ (a number of 31 digits) contains 333 as substring.

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 = 10001203296 and 10001203305.

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 47 ways as a sum of consecutive naturals, for example, 7686670 + ... + 7687970.

Almost surely, 2^10001203320 is an apocalyptic number.

10001203320 is a gapful number since it is divisible by the number (10) 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 10001203320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15868515600).

10001203320 is an abundant number, since it is smaller than the sum of its proper divisors (21735827880).

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

10001203320 is a wasteful number, since it uses less digits than its factorization.

10001203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1387 counting only the distinct ones).

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

Adding to 10001203320 its reverse (2330210001), we get a palindrome (12331413321).

The spelling of 10001203320 in words is "ten billion, one million, two hundred three thousand, three hundred twenty".