420054305 has 8 divisors (see below), whose sum is σ = 549889344. Its totient is φ = 305494000.

The previous prime is 420054301. The next prime is 420054331. The reversal of 420054305 is 503450024.

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

It is not a de Polignac number, because 420054305 - 2² = 420054301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420054301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3818621 + ... + 3818730.

It is an arithmetic number, because the mean of its divisors is an integer number (68736168).

Almost surely, 2^420054305 is an apocalyptic number.

It is an amenable number.

420054305 is a deficient number, since it is larger than the sum of its proper divisors (129835039).

420054305 is a wasteful number, since it uses less digits than its factorization.

420054305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637367.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 420054305 is about 20495.2263954317. The cubic root of 420054305 is about 748.9195137765.

The spelling of 420054305 in words is "four hundred twenty million, fifty-four thousand, three hundred five".