420224463 has 32 divisors (see below), whose sum is σ = 663680000. Its totient is φ = 262020096.

The previous prime is 420224449. The next prime is 420224489. The reversal of 420224463 is 364422024.

It is not a de Polignac number, because 420224463 - 2¹⁴ = 420208079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420224263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35343 + ... + 45711.

It is an arithmetic number, because the mean of its divisors is an integer number (20740000).

Almost surely, 2^420224463 is an apocalyptic number.

420224463 is a deficient number, since it is larger than the sum of its proper divisors (243455537).

420224463 is a wasteful number, since it uses less digits than its factorization.

420224463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476 (or 10470 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 420224463 is about 20499.3771368791. The cubic root of 420224463 is about 749.0206256579.

Adding to 420224463 its reverse (364422024), we get a palindrome (784646487).

The spelling of 420224463 in words is "four hundred twenty million, two hundred twenty-four thousand, four hundred sixty-three".