20013101093 has 4 divisors (see below), whose sum is σ = 20390706828. Its totient is φ = 19635495360.

The previous prime is 20013101081. The next prime is 20013101099. The reversal of 20013101093 is 39010131002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39010131002 = 2 ⋅19505065501.

It can be written as a sum of positive squares in 2 ways, for example, as 10378108129 + 9634992964 = 101873^2 + 98158^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013101093 - 2¹⁸ = 20012838949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013101099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188802788 + ... + 188802893.

It is an arithmetic number, because the mean of its divisors is an integer number (5097676707).

Almost surely, 2^20013101093 is an apocalyptic number.

It is an amenable number.

20013101093 is a deficient number, since it is larger than the sum of its proper divisors (377605735).

20013101093 is an equidigital number, since it uses as much as digits as its factorization.

20013101093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377605734.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 20013101093 its reverse (39010131002), we get a palindrome (59023232095).

The spelling of 20013101093 in words is "twenty billion, thirteen million, one hundred one thousand, ninety-three".