10002020011 has 4 divisors (see below), whose sum is σ = 10005934192. Its totient is φ = 9998105832.

The previous prime is 10002020009. The next prime is 10002020059. The reversal of 10002020011 is 11002020001.

10002020011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10002020011 - 2¹ = 10002020009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002019976 and 10002020003.

It is not an unprimeable number, because it can be changed into a prime (10002020111) 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, 1953255 + ... + 1958368.

It is an arithmetic number, because the mean of its divisors is an integer number (2501483548).

Almost surely, 2^10002020011 is an apocalyptic number.

10002020011 is a deficient number, since it is larger than the sum of its proper divisors (3914181).

10002020011 is an equidigital number, since it uses as much as digits as its factorization.

10002020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914180.

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

Adding to 10002020011 its reverse (11002020001), we get a palindrome (21004040012).

The spelling of 10002020011 in words is "ten billion, two million, twenty thousand, eleven".