420420133 has 8 divisors (see below), whose sum is σ = 482122368. Its totient is φ = 359128464.

The previous prime is 420420127. The next prime is 420420137. The reversal of 420420133 is 331024024.

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 420420133 - 2⁵ = 420420101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420420133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420420137) 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, 100441 + ... + 104542.

It is an arithmetic number, because the mean of its divisors is an integer number (60265296).

Almost surely, 2^420420133 is an apocalyptic number.

It is an amenable number.

420420133 is a deficient number, since it is larger than the sum of its proper divisors (61702235).

420420133 is a wasteful number, since it uses less digits than its factorization.

420420133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205283.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420420133 is about 20504.1491654738. The cubic root of 420420133 is about 749.1368636345.

Adding to 420420133 its reverse (331024024), we get a palindrome (751444157).

The spelling of 420420133 in words is "four hundred twenty million, four hundred twenty thousand, one hundred thirty-three".