20300211 has 12 divisors (see below), whose sum is σ = 29488680. Its totient is φ = 13456800.

The previous prime is 20300201. The next prime is 20300233. The reversal of 20300211 is 11200302.

It is a happy number.

It is not a de Polignac number, because 20300211 - 2⁵ = 20300179 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 20300193 and 20300202.

It is not an unprimeable number, because it can be changed into a prime (20300201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4690 + ... + 7911.

It is an arithmetic number, because the mean of its divisors is an integer number (2457390).

Almost surely, 2^20300211 is an apocalyptic number.

20300211 is a deficient number, since it is larger than the sum of its proper divisors (9188469).

20300211 is a wasteful number, since it uses less digits than its factorization.

20300211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12786 (or 12783 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 20300211 is about 4505.5755459209. The cubic root of 20300211 is about 272.7931855537.

Adding to 20300211 its reverse (11200302), we get a palindrome (31500513).

Subtracting from 20300211 its reverse (11200302), we obtain a palindrome (9099909).

The spelling of 20300211 in words is "twenty million, three hundred thousand, two hundred eleven".