420224205 has 8 divisors (see below), whose sum is σ = 672358752. Its totient is φ = 224119568.

The previous prime is 420224183. The next prime is 420224213. The reversal of 420224205 is 502422024.

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 420224205 - 2⁶ = 420224141 is a prime.

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, 14007459 + ... + 14007488.

It is an arithmetic number, because the mean of its divisors is an integer number (84044844).

Almost surely, 2^420224205 is an apocalyptic number.

It is an amenable number.

420224205 is a deficient number, since it is larger than the sum of its proper divisors (252134547).

420224205 is a wasteful number, since it uses less digits than its factorization.

420224205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28014955.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 420224205 is about 20499.3708440040. The cubic root of 420224205 is about 749.0204723689.

Adding to 420224205 its reverse (502422024), we get a palindrome (922646229).

The spelling of 420224205 in words is "four hundred twenty million, two hundred twenty-four thousand, two hundred five".