420050005 has 8 divisors (see below), whose sum is σ = 530589600. Its totient is φ = 318353616.

The previous prime is 420050003. The next prime is 420050047. The reversal of 420050005 is 500050024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420050005 - 2¹ = 420050003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420050003) 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 7 ways as a sum of consecutive naturals, for example, 2210695 + ... + 2210884.

It is an arithmetic number, because the mean of its divisors is an integer number (66323700).

Almost surely, 2^420050005 is an apocalyptic number.

It is an amenable number.

420050005 is a deficient number, since it is larger than the sum of its proper divisors (110539595).

420050005 is a wasteful number, since it uses less digits than its factorization.

420050005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421603.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 420050005 is about 20495.1214926870. The cubic root of 420050005 is about 748.9169582618.

The spelling of 420050005 in words is "four hundred twenty million, fifty thousand, five".