420244011 has 48 divisors (see below), whose sum is σ = 688195200. Its totient is φ = 253257840.

The previous prime is 420244007. The next prime is 420244043. The reversal of 420244011 is 110442024.

420244011 is a `hidden beast` number, since 420 + 244 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 420244011 - 2² = 420244007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420244001) 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 47 ways as a sum of consecutive naturals, for example, 1002760 + ... + 1003178.

It is an arithmetic number, because the mean of its divisors is an integer number (14337400).

Almost surely, 2^420244011 is an apocalyptic number.

420244011 is a deficient number, since it is larger than the sum of its proper divisors (267951189).

420244011 is a wasteful number, since it uses less digits than its factorization.

420244011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 420244011 is about 20499.8539263088. The cubic root of 420244011 is about 749.0322397907.

Adding to 420244011 its reverse (110442024), we get a palindrome (530686035).

The spelling of 420244011 in words is "four hundred twenty million, two hundred forty-four thousand, eleven".