420133819 has 8 divisors (see below), whose sum is σ = 480312288. Its totient is φ = 359995200.

The previous prime is 420133811. The next prime is 420133829. The reversal of 420133819 is 918331024.

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 420133819 - 2³ = 420133811 is a prime.

It is a super-2 number, since 2×420133819² = 353024851735049522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420133811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17799 + ... + 34015.

It is an arithmetic number, because the mean of its divisors is an integer number (60039036).

Almost surely, 2^420133819 is an apocalyptic number.

420133819 is a deficient number, since it is larger than the sum of its proper divisors (60178469).

420133819 is a wasteful number, since it uses less digits than its factorization.

420133819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19925.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 420133819 is about 20497.1661211983. The cubic root of 420133819 is about 748.9667662614.

The spelling of 420133819 in words is "four hundred twenty million, one hundred thirty-three thousand, eight hundred nineteen".