10002303121020 has 192 divisors, whose sum is σ = 32235725469696. Its totient is φ = 2269945036800.

The previous prime is 10002303121003. The next prime is 10002303121043. The reversal of 10002303121020 is 2012130320001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127879044 + ... + 127957236.

It is an arithmetic number, because the mean of its divisors is an integer number (167894403488).

Almost surely, 2^{10002303121020} is an apocalyptic number.

10002303121020 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 10002303121020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16117862734848).

10002303121020 is an abundant number, since it is smaller than the sum of its proper divisors (22233422348676).

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

10002303121020 is a wasteful number, since it uses less digits than its factorization.

10002303121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80380 (or 80378 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10002303121020 its reverse (2012130320001), we get a palindrome (12014433441021).

The spelling of 10002303121020 in words is "ten trillion, two billion, three hundred three million, one hundred twenty-one thousand, twenty".