420335001 has 20 divisors (see below), whose sum is σ = 631926372. Its totient is φ = 278430048.

The previous prime is 420334973. The next prime is 420335011. The reversal of 420335001 is 100533024.

It can be written as a sum of positive squares in 2 ways, for example, as 244109376 + 176225625 = 15624^2 + 13275^2 .

It is not a de Polignac number, because 420335001 - 2⁵ = 420334969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420335011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3810 + ... + 29243.

Almost surely, 2^420335001 is an apocalyptic number.

It is an amenable number.

420335001 is a deficient number, since it is larger than the sum of its proper divisors (211591371).

420335001 is a wasteful number, since it uses less digits than its factorization.

420335001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33222 (or 33213 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 420335001 is about 20502.0730902999. The cubic root of 420335001 is about 749.0862953104.

Adding to 420335001 its reverse (100533024), we get a palindrome (520868025).

It can be divided in two parts, 4203 and 35001, that added together give a square (39204 = 198²).

The spelling of 420335001 in words is "four hundred twenty million, three hundred thirty-five thousand, one".