20013031103099 has 4 divisors (see below), whose sum is σ = 20013282517464. Its totient is φ = 20012779688736.

The previous prime is 20013031103089. The next prime is 20013031103119. The reversal of 20013031103099 is 99030113031002.

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

It is a cyclic number.

It is not a de Polignac number, because 20013031103099 - 2⁴ = 20013031103083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013031103069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125587742 + ... + 125746995.

It is an arithmetic number, because the mean of its divisors is an integer number (5003320629366).

Almost surely, 2^{20013031103099} is an apocalyptic number.

20013031103099 is a deficient number, since it is larger than the sum of its proper divisors (251414365).

20013031103099 is an equidigital number, since it uses as much as digits as its factorization.

20013031103099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251414364.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 20013031103099 in words is "twenty trillion, thirteen billion, thirty-one million, one hundred three thousand, ninety-nine".