420208852 has 24 divisors (see below), whose sum is σ = 863133824. Its totient is φ = 175221792.

The previous prime is 420208849. The next prime is 420208861. The reversal of 420208852 is 258802024.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 201768 + ... + 203839.

Almost surely, 2^420208852 is an apocalyptic number.

It is an amenable number.

420208852 is an abundant number, since it is smaller than the sum of its proper divisors (442924972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420208852 is a wasteful number, since it uses less digits than its factorization.

420208852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405655 (or 405653 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 420208852 is about 20498.9963656761. The cubic root of 420208852 is about 749.0113503722.

The spelling of 420208852 in words is "four hundred twenty million, two hundred eight thousand, eight hundred fifty-two".