420052 has 12 divisors (see below), whose sum is σ = 773920. Its totient is φ = 198936.

The previous prime is 420047. The next prime is 420073. The reversal of 420052 is 250024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

420052 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2688 + ... + 2839.

2⁴²⁰⁰⁵² is an apocalyptic number.

It is an amenable number.

420052 is a deficient number, since it is larger than the sum of its proper divisors (353868).

420052 is a wasteful number, since it uses less digits than its factorization.

420052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550 (or 5548 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 420052 is about 648.1141874701. The cubic root of 420052 is about 74.8918143904.

Adding to 420052 its reverse (250024), we get a palindrome (670076).

It can be divided in two parts, 4 and 20052, that multiplied together give a palindrome (80208).

The spelling of 420052 in words is "four hundred twenty thousand, fifty-two".