20202001211 has 12 divisors (see below), whose sum is σ = 24000295968. Its totient is φ = 16947573552.

The previous prime is 20202001151. The next prime is 20202001223. The reversal of 20202001211 is 11210020202.

It is a happy number.

It is not a de Polignac number, because 20202001211 - 2¹⁴ = 20201984827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20202001192 and 20202001201.

It is not an unprimeable number, because it can be changed into a prime (20202001711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4383716 + ... + 4388321.

It is an arithmetic number, because the mean of its divisors is an integer number (2000024664).

Almost surely, 2^20202001211 is an apocalyptic number.

20202001211 is a deficient number, since it is larger than the sum of its proper divisors (3798294757).

20202001211 is an equidigital number, since it uses as much as digits as its factorization.

20202001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772098 (or 8772091 counting only the distinct ones).

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

Adding to 20202001211 its reverse (11210020202), we get a palindrome (31412021413).

The spelling of 20202001211 in words is "twenty billion, two hundred two million, one thousand, two hundred eleven".