420836216 has 8 divisors (see below), whose sum is σ = 789067920. Its totient is φ = 210418104.

The previous prime is 420836201. The next prime is 420836257. The reversal of 420836216 is 612638024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26302256 + ... + 26302271.

It is an arithmetic number, because the mean of its divisors is an integer number (98633490).

Almost surely, 2^420836216 is an apocalyptic number.

It is an amenable number.

420836216 is a deficient number, since it is larger than the sum of its proper divisors (368231704).

420836216 is a wasteful number, since it uses less digits than its factorization.

420836216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52604533 (or 52604529 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 420836216 is about 20514.2929685622. The cubic root of 420836216 is about 749.3839183594.

The spelling of 420836216 in words is "four hundred twenty million, eight hundred thirty-six thousand, two hundred sixteen".