20302142011 has 2 divisors, whose sum is σ = 20302142012. Its totient is φ = 20302142010.

The previous prime is 20302141997. The next prime is 20302142041. The reversal of 20302142011 is 11024120302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20302142011 - 2³¹ = 18154658363 is a prime.

It is a super-2 number, since 2×20302142011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20302142041) 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, 10151071005 + 10151071006.

It is an arithmetic number, because the mean of its divisors is an integer number (10151071006).

Almost surely, 2^20302142011 is an apocalyptic number.

20302142011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302142011 is an equidigital number, since it uses as much as digits as its factorization.

20302142011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20302142011 its reverse (11024120302), we get a palindrome (31326262313).

The spelling of 20302142011 in words is "twenty billion, three hundred two million, one hundred forty-two thousand, eleven".