435220420 has 12 divisors (see below), whose sum is σ = 913962924. Its totient is φ = 174088160.

The previous prime is 435220391. The next prime is 435220427. The reversal of 435220420 is 24022534.

It can be written as a sum of positive squares in 2 ways, for example, as 333573696 + 101646724 = 18264^2 + 10082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 435220391 and 435220400.

It is not an unprimeable number, because it can be changed into a prime (435220427) 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 3 ways as a sum of consecutive naturals, for example, 10880491 + ... + 10880530.

It is an arithmetic number, because the mean of its divisors is an integer number (76163577).

Almost surely, 2^435220420 is an apocalyptic number.

It is an amenable number.

435220420 is an abundant number, since it is smaller than the sum of its proper divisors (478742504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

435220420 is a wasteful number, since it uses less digits than its factorization.

435220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21761030 (or 21761028 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 435220420 is about 20861.9371104411. The cubic root of 435220420 is about 757.8264420250.

Adding to 435220420 its reverse (24022534), we get a palindrome (459242954).

The spelling of 435220420 in words is "four hundred thirty-five million, two hundred twenty thousand, four hundred twenty".