20200022011 has 4 divisors (see below), whose sum is σ = 21753869872. Its totient is φ = 18646174152.

The previous prime is 20200021991. The next prime is 20200022107. The reversal of 20200022011 is 11022000202.

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 20200022011 - 2¹⁷ = 20199890939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200082011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776923911 + ... + 776923936.

It is an arithmetic number, because the mean of its divisors is an integer number (5438467468).

Almost surely, 2^20200022011 is an apocalyptic number.

20200022011 is a deficient number, since it is larger than the sum of its proper divisors (1553847861).

20200022011 is a wasteful number, since it uses less digits than its factorization.

20200022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553847860.

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

Adding to 20200022011 its reverse (11022000202), we get a palindrome (31222022213).

The spelling of 20200022011 in words is "twenty billion, two hundred million, twenty-two thousand, eleven".