406020224 has 32 divisors (see below), whose sum is σ = 809778000. Its totient is φ = 202781952.

The previous prime is 406020217. The next prime is 406020239. The reversal of 406020224 is 422020604.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 406020196 and 406020205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216539 + ... + 218405.

Almost surely, 2^406020224 is an apocalyptic number.

It is an amenable number.

406020224 is a deficient number, since it is larger than the sum of its proper divisors (403757776).

406020224 is a wasteful number, since it uses less digits than its factorization.

406020224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580 (or 3568 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 406020224 is about 20149.9435234941. The cubic root of 406020224 is about 740.4843578456.

Adding to 406020224 its reverse (422020604), we get a palindrome (828040828).

The spelling of 406020224 in words is "four hundred six million, twenty thousand, two hundred twenty-four".