20204313011 has 2 divisors, whose sum is σ = 20204313012. Its totient is φ = 20204313010.

The previous prime is 20204312971. The next prime is 20204313053. The reversal of 20204313011 is 11031340202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20204313011 - 2²⁶ = 20137204147 is a prime.

It is a super-2 number, since 2×20204313011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20204313071) 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 as a sum of consecutive naturals, namely, 10102156505 + 10102156506.

It is an arithmetic number, because the mean of its divisors is an integer number (10102156506).

Almost surely, 2^20204313011 is an apocalyptic number.

20204313011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20204313011 is an equidigital number, since it uses as much as digits as its factorization.

20204313011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20204313011 its reverse (11031340202), we get a palindrome (31235653213).

The spelling of 20204313011 in words is "twenty billion, two hundred four million, three hundred thirteen thousand, eleven".