20210002211 has 8 divisors (see below), whose sum is σ = 23206612224. Its totient is φ = 17240758920.

The previous prime is 20210002147. The next prime is 20210002217. The reversal of 20210002211 is 11220001202.

It is a happy number.

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

It is not a de Polignac number, because 20210002211 - 2⁶ = 20210002147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210002192 and 20210002201.

It is not an unprimeable number, because it can be changed into a prime (20210002217) 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, 6840095 + ... + 6843048.

It is an arithmetic number, because the mean of its divisors is an integer number (2900826528).

Almost surely, 2^20210002211 is an apocalyptic number.

20210002211 is a deficient number, since it is larger than the sum of its proper divisors (2996610013).

20210002211 is a wasteful number, since it uses less digits than its factorization.

20210002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13683361.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20210002211 its reverse (11220001202), we get a palindrome (31430003413).

The spelling of 20210002211 in words is "twenty billion, two hundred ten million, two thousand, two hundred eleven".