420430051 has 8 divisors (see below), whose sum is σ = 422631440. Its totient is φ = 418234752.

The previous prime is 420430039. The next prime is 420430057. The reversal of 420430051 is 150034024.

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 420430051 - 2⁷ = 420429923 is a prime.

It is a super-2 number, since 2×420430051² = 353522855567725202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420430057) 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, 200215 + ... + 202303.

It is an arithmetic number, because the mean of its divisors is an integer number (52828930).

Almost surely, 2^420430051 is an apocalyptic number.

420430051 is a deficient number, since it is larger than the sum of its proper divisors (2201389).

420430051 is a wasteful number, since it uses less digits than its factorization.

420430051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 420430051 is about 20504.3910175357. The cubic root of 420430051 is about 749.1427544727.

Adding to 420430051 its reverse (150034024), we get a palindrome (570464075).

The spelling of 420430051 in words is "four hundred twenty million, four hundred thirty thousand, fifty-one".