420055003 has 8 divisors (see below), whose sum is σ = 448512768. Its totient is φ = 392446824.

The previous prime is 420055001. The next prime is 420055007. The reversal of 420055003 is 300550024.

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 420055003 - 2¹ = 420055001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420055001) 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, 211375 + ... + 213352.

It is an arithmetic number, because the mean of its divisors is an integer number (56064096).

Almost surely, 2^420055003 is an apocalyptic number.

420055003 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

420055003 is a deficient number, since it is larger than the sum of its proper divisors (28457765).

420055003 is a wasteful number, since it uses less digits than its factorization.

420055003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424793.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 420055003 is about 20495.2434237801. The cubic root of 420055003 is about 748.9199286003.

The spelling of 420055003 in words is "four hundred twenty million, fifty-five thousand, three".