20001000200011 has 16 divisors (see below), whose sum is σ = 20759179240800. Its totient is φ = 19257121440000.

The previous prime is 20001000199997. The next prime is 20001000200023. The reversal of 20001000200011 is 11000200010002.

It is a cyclic number.

It is not a de Polignac number, because 20001000200011 - 2⁷ = 20001000199883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001000199967 and 20001000200003.

It is not an unprimeable number, because it can be changed into a prime (20001000200611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7793616 + ... + 10037053.

It is an arithmetic number, because the mean of its divisors is an integer number (1297448702550).

Almost surely, 2^{20001000200011} is an apocalyptic number.

20001000200011 is a deficient number, since it is larger than the sum of its proper divisors (758179040789).

20001000200011 is a wasteful number, since it uses less digits than its factorization.

20001000200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17831070.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20001000200011 its reverse (11000200010002), we get a palindrome (31001200210013).

The spelling of 20001000200011 in words is "twenty trillion, one billion, two hundred thousand, eleven".