420533235 has 16 divisors (see below), whose sum is σ = 747614880. Its totient is φ = 224284320.

The previous prime is 420533209. The next prime is 420533237. The reversal of 420533235 is 532335024.

420533235 is a `hidden beast` number, since 420 + 5 + 3 + 3 + 235 = 666.

420533235 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 420533235 - 2⁶ = 420533171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 420533199 and 420533208.

It is not an unprimeable number, because it can be changed into a prime (420533237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557396 + ... + 1557665.

It is an arithmetic number, because the mean of its divisors is an integer number (46725930).

Almost surely, 2^420533235 is an apocalyptic number.

420533235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

420533235 is a deficient number, since it is larger than the sum of its proper divisors (327081645).

420533235 is a wasteful number, since it uses less digits than its factorization.

420533235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3115075 (or 3115069 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 420533235 is about 20506.9070071525. The cubic root of 420533235 is about 749.2040355530.

Adding to 420533235 its reverse (532335024), we get a palindrome (952868259).

The spelling of 420533235 in words is "four hundred twenty million, five hundred thirty-three thousand, two hundred thirty-five".