420031302244 has 12 divisors (see below), whose sum is σ = 735062160364. Its totient is φ = 210013542144.

The previous prime is 420031302239. The next prime is 420031302253. The reversal of 420031302244 is 442203130024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 232748353600 + 187282948644 = 482440^2 + 432762^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 26229 + ... + 916924.

Almost surely, 2^420031302244 is an apocalyptic number.

It is an amenable number.

420031302244 is a deficient number, since it is larger than the sum of its proper divisors (315030858120).

420031302244 is a wasteful number, since it uses less digits than its factorization.

420031302244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054494 (or 1054492 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 420031302244 its reverse (442203130024), we get a palindrome (862234432268).

The spelling of 420031302244 in words is "four hundred twenty billion, thirty-one million, three hundred two thousand, two hundred forty-four".