20010002211 has 16 divisors (see below), whose sum is σ = 29647290400. Its totient is φ = 13338722304.

The previous prime is 20010002197. The next prime is 20010002219. The reversal of 20010002211 is 11220001002.

It is not a de Polignac number, because 20010002211 - 2⁵ = 20010002179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010002193 and 20010002202.

It is not an unprimeable number, because it can be changed into a prime (20010002219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313635 + ... + 372003.

It is an arithmetic number, because the mean of its divisors is an integer number (1852955650).

Almost surely, 2^20010002211 is an apocalyptic number.

20010002211 is a deficient number, since it is larger than the sum of its proper divisors (9637288189).

20010002211 is a wasteful number, since it uses less digits than its factorization.

20010002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71075 (or 71069 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20010002211 its reverse (11220001002), we get a palindrome (31230003213).

The spelling of 20010002211 in words is "twenty billion, ten million, two thousand, two hundred eleven".