420334244 has 48 divisors (see below), whose sum is σ = 817931520. Its totient is φ = 187412640.

The previous prime is 420334241. The next prime is 420334249. The reversal of 420334244 is 442433024.

It is not an unprimeable number, because it can be changed into a prime (420334241) 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 15 ways as a sum of consecutive naturals, for example, 653387 + ... + 654029.

It is an arithmetic number, because the mean of its divisors is an integer number (17040240).

Almost surely, 2^420334244 is an apocalyptic number.

420334244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420334244 is a deficient number, since it is larger than the sum of its proper divisors (397597276).

420334244 is a wasteful number, since it uses less digits than its factorization.

420334244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 420334244 is about 20502.0546287439. The cubic root of 420334244 is about 749.0858456225.

Adding to 420334244 its reverse (442433024), we get a palindrome (862767268).

The spelling of 420334244 in words is "four hundred twenty million, three hundred thirty-four thousand, two hundred forty-four".