20200220011 has 16 divisors (see below), whose sum is σ = 20613242880. Its totient is φ = 19791147040.

The previous prime is 20200220009. The next prime is 20200220057. The reversal of 20200220011 is 11002200202.

It is a cyclic number.

It is not a de Polignac number, because 20200220011 - 2¹ = 20200220009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20200220011.

It is not an unprimeable number, because it can be changed into a prime (20200220311) 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 15 ways as a sum of consecutive naturals, for example, 11079846 + ... + 11081668.

It is an arithmetic number, because the mean of its divisors is an integer number (1288327680).

Almost surely, 2^20200220011 is an apocalyptic number.

20200220011 is a deficient number, since it is larger than the sum of its proper divisors (413022869).

20200220011 is a wasteful number, since it uses less digits than its factorization.

20200220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20200220011 its reverse (11002200202), we get a palindrome (31202420213).

The spelling of 20200220011 in words is "twenty billion, two hundred million, two hundred twenty thousand, eleven".