20002235211 has 12 divisors (see below), whose sum is σ = 33019562992. Its totient is φ = 11429848656.

The previous prime is 20002235191. The next prime is 20002235243. The reversal of 20002235211 is 11253220002.

It is not a de Polignac number, because 20002235211 - 2⁶ = 20002235147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002235251) 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 11 ways as a sum of consecutive naturals, for example, 158747836 + ... + 158747961.

Almost surely, 2^20002235211 is an apocalyptic number.

20002235211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20002235211 is a deficient number, since it is larger than the sum of its proper divisors (13017327781).

20002235211 is a wasteful number, since it uses less digits than its factorization.

20002235211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317495810 (or 317495807 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20002235211 its reverse (11253220002), we get a palindrome (31255455213).

The spelling of 20002235211 in words is "twenty billion, two million, two hundred thirty-five thousand, two hundred eleven".