20201000220011 has 8 divisors (see below), whose sum is σ = 21755001423120. Its totient is φ = 18647010175392.

The previous prime is 20201000219909. The next prime is 20201000220031. The reversal of 20201000220011 is 11002200010202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201000220011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201000219974 and 20201000220001.

It is not an unprimeable number, because it can be changed into a prime (20201000220031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179560 + ... + 6464778.

It is an arithmetic number, because the mean of its divisors is an integer number (2719375177890).

Almost surely, 2^{20201000220011} is an apocalyptic number.

20201000220011 is a deficient number, since it is larger than the sum of its proper divisors (1554001203109).

20201000220011 is a wasteful number, since it uses less digits than its factorization.

20201000220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5579245.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201000220011 its reverse (11002200010202), we get a palindrome (31203200230213).

The spelling of 20201000220011 in words is "twenty trillion, two hundred one billion, two hundred twenty thousand, eleven".