20002212211 has 8 divisors (see below), whose sum is σ = 20281474224. Its totient is φ = 19723092480.

The previous prime is 20002212203. The next prime is 20002212277. The reversal of 20002212211 is 11221220002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20002212211 - 2³ = 20002212203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002212191 and 20002212200.

It is not an unprimeable number, because it can be changed into a prime (20002212511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265155 + ... + 332131.

It is an arithmetic number, because the mean of its divisors is an integer number (2535184278).

Almost surely, 2^20002212211 is an apocalyptic number.

20002212211 is a deficient number, since it is larger than the sum of its proper divisors (279262013).

20002212211 is an equidigital number, since it uses as much as digits as its factorization.

20002212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71141.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20002212211 its reverse (11221220002), we get a palindrome (31223432213).

The spelling of 20002212211 in words is "twenty billion, two million, two hundred twelve thousand, two hundred eleven".