20010000211 has 4 divisors (see below), whose sum is σ = 20087860392. Its totient is φ = 19932140032.

The previous prime is 20010000191. The next prime is 20010000247. The reversal of 20010000211 is 11200001002.

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 20010000211 - 2⁷ = 20010000083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010000194 and 20010000203.

It is not an unprimeable number, because it can be changed into a prime (20010000281) 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, 38929705 + ... + 38930218.

It is an arithmetic number, because the mean of its divisors is an integer number (5021965098).

Almost surely, 2^20010000211 is an apocalyptic number.

20010000211 is a deficient number, since it is larger than the sum of its proper divisors (77860181).

20010000211 is an equidigital number, since it uses as much as digits as its factorization.

20010000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77860180.

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

Adding to 20010000211 its reverse (11200001002), we get a palindrome (31210001213).

The spelling of 20010000211 in words is "twenty billion, ten million, two hundred eleven", and thus it is an aban number.