10003320637020 has 144 divisors (see below), whose sum is σ = 30478047757248. Its totient is φ = 2655741634560.

The previous prime is 10003320636997. The next prime is 10003320637027. The reversal of 10003320637020 is 2073602330001.

10003320637020 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 3 + 3 + 2 + 0 + 637 + 0 + 20 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003320637027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36769332 + ... + 37040388.

Almost surely, 2^{10003320637020} is an apocalyptic number.

10003320637020 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 10003320637020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15239023878624).

10003320637020 is an abundant number, since it is smaller than the sum of its proper divisors (20474727120228).

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

10003320637020 is a wasteful number, since it uses less digits than its factorization.

10003320637020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271980 (or 271975 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

Adding to 10003320637020 its reverse (2073602330001), we get a palindrome (12076922967021).

The spelling of 10003320637020 in words is "ten trillion, three billion, three hundred twenty million, six hundred thirty-seven thousand, twenty".