420030011 has 2 divisors, whose sum is σ = 420030012. Its totient is φ = 420030010.

The previous prime is 420030001. The next prime is 420030019. The reversal of 420030011 is 110030024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420030011 - 2²⁶ = 352921147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420029974 and 420030001.

It is not a weakly prime, because it can be changed into another prime (420030019) 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 as a sum of consecutive naturals, namely, 210015005 + 210015006.

It is an arithmetic number, because the mean of its divisors is an integer number (210015006).

Almost surely, 2^420030011 is an apocalyptic number.

420030011 is a deficient number, since it is larger than the sum of its proper divisors (1).

420030011 is an equidigital number, since it uses as much as digits as its factorization.

420030011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 420030011 is about 20494.6337122672. The cubic root of 420030011 is about 748.9050754835.

Adding to 420030011 its reverse (110030024), we get a palindrome (530060035).

The spelling of 420030011 in words is "four hundred twenty million, thirty thousand, eleven".