20011001100009 has 8 divisors (see below), whose sum is σ = 28085615579040. Its totient is φ = 12638527010496.

The previous prime is 20011001099993. The next prime is 20011001100029. The reversal of 20011001100009 is 90000110011002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20011001100009 - 2⁴ = 20011001099993 is a prime.

It is a super-2 number, since 2×20011001100009² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011001100029) 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 7 ways as a sum of consecutive naturals, for example, 175535097312 + ... + 175535097425.

It is an arithmetic number, because the mean of its divisors is an integer number (3510701947380).

Almost surely, 2^{20011001100009} is an apocalyptic number.

It is an amenable number.

20011001100009 is a deficient number, since it is larger than the sum of its proper divisors (8074614479031).

20011001100009 is a wasteful number, since it uses less digits than its factorization.

20011001100009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351070194759.

The product of its (nonzero) digits is 18, while the sum is 15.

The spelling of 20011001100009 in words is "twenty trillion, eleven billion, one million, one hundred thousand, nine".