420066633 has 8 divisors (see below), whose sum is σ = 640101568. Its totient is φ = 240038064.

The previous prime is 420066599. The next prime is 420066637. The reversal of 420066633 is 336660024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420066633 - 2⁸ = 420066377 is a prime.

It is a super-3 number, since 3×420066633³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420066633.

It is not an unprimeable number, because it can be changed into a prime (420066637) by changing a digit.

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, 10001566 + ... + 10001607.

It is an arithmetic number, because the mean of its divisors is an integer number (80012696).

Almost surely, 2^420066633 is an apocalyptic number.

It is an amenable number.

420066633 is a deficient number, since it is larger than the sum of its proper divisors (220034935).

420066633 is a wasteful number, since it uses less digits than its factorization.

420066633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20003183.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 420066633 is about 20495.5271461848. The cubic root of 420066633 is about 748.9268402811.

The spelling of 420066633 in words is "four hundred twenty million, sixty-six thousand, six hundred thirty-three".