20301403211 has 4 divisors (see below), whose sum is σ = 20345441424. Its totient is φ = 20257365000.

The previous prime is 20301403183. The next prime is 20301403219. The reversal of 20301403211 is 11230410302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20301403211 - 2⁶ = 20301403147 is a prime.

It is a super-2 number, since 2×20301403211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20301403211.

It is not an unprimeable number, because it can be changed into a prime (20301403219) 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 3 ways as a sum of consecutive naturals, for example, 22018415 + ... + 22019336.

It is an arithmetic number, because the mean of its divisors is an integer number (5086360356).

Almost surely, 2^20301403211 is an apocalyptic number.

20301403211 is a deficient number, since it is larger than the sum of its proper divisors (44038213).

20301403211 is an equidigital number, since it uses as much as digits as its factorization.

20301403211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44038212.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20301403211 its reverse (11230410302), we get a palindrome (31531813513).

The spelling of 20301403211 in words is "twenty billion, three hundred one million, four hundred three thousand, two hundred eleven".