10020203130321 has 6 divisors (see below), whose sum is σ = 14473626743810. Its totient is φ = 6680135420208.

The previous prime is 10020203130293. The next prime is 10020203130323. The reversal of 10020203130321 is 12303130202001.

10020203130321 is a `hidden beast` number, since 10 + 0 + 2 + 0 + 20 + 313 + 0 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9523550300625 + 496652829696 = 3086025^2 + 704736^2 .

It is not a de Polignac number, because 10020203130321 - 2³³ = 10011613195729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020203130294 and 10020203130303.

It is not an unprimeable number, because it can be changed into a prime (10020203130323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556677951676 + ... + 556677951693.

Almost surely, 2^{10020203130321} is an apocalyptic number.

It is an amenable number.

10020203130321 is a deficient number, since it is larger than the sum of its proper divisors (4453423613489).

10020203130321 is a wasteful number, since it uses less digits than its factorization.

10020203130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113355903375 (or 1113355903372 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10020203130321 its reverse (12303130202001), we get a palindrome (22323333332322).

The spelling of 10020203130321 in words is "ten trillion, twenty billion, two hundred three million, one hundred thirty thousand, three hundred twenty-one".