20000022211 has 32 divisors (see below), whose sum is σ = 22128910272.
Its totient is φ = 17964011520.
The previous prime is 20000022199. The next prime is 20000022227. The reversal of 20000022211 is 11222000002.
Adding to 20000022211 its reverse (11222000002), we get a palindrome (31222022213).
It is not a de Polignac number, because 20000022211 - 27 = 20000022083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20000029211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45146556 + ... + 45146998.
It is an arithmetic number, because the mean of its divisors is an integer number (691528446).
Almost surely, 220000022211 is an apocalyptic number.
20000022211 is a deficient number, since it is larger than the sum of its proper divisors (2128888061).
20000022211 is a wasteful number, since it uses less digits than its factorization.
20000022211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1063.
The product of its (nonzero) digits is 16, while the sum is 10.
The spelling of 20000022211 in words is "twenty billion, twenty-two thousand, two hundred eleven".