100001032020013 has 4 divisors (see below), whose sum is σ = 100036733926428. Its totient is φ = 99965330113600.

The previous prime is 100001032019989. The next prime is 100001032020023. The reversal of 100001032020013 is 310020230100001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25012671605289 + 74988360414724 = 5001267^2 + 8659582^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001032020013 - 2¹³ = 100001032011821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100001032019975 and 100001032020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001032020023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17850949006 + ... + 17850954607.

It is an arithmetic number, because the mean of its divisors is an integer number (25009183481607).

Almost surely, 2^{100001032020013} is an apocalyptic number.

It is an amenable number.

100001032020013 is a deficient number, since it is larger than the sum of its proper divisors (35701906415).

100001032020013 is an equidigital number, since it uses as much as digits as its factorization.

100001032020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35701906414.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100001032020013 its reverse (310020230100001), we get a palindrome (410021262120014).

The spelling of 100001032020013 in words is "one hundred trillion, one billion, thirty-two million, twenty thousand, thirteen".