420110434 has 16 divisors (see below), whose sum is σ = 634950360. Its totient is φ = 208465920.

The previous prime is 420110429. The next prime is 420110437. The reversal of 420110434 is 434011024.

It can be written as a sum of positive squares in 4 ways, for example, as 349802209 + 70308225 = 18703^2 + 8385^2 .

It is not an unprimeable number, because it can be changed into a prime (420110437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200062 + ... + 202150.

Almost surely, 2^420110434 is an apocalyptic number.

420110434 is a deficient number, since it is larger than the sum of its proper divisors (214839926).

420110434 is a wasteful number, since it uses less digits than its factorization.

420110434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420110434 is about 20496.5956685494. The cubic root of 420110434 is about 748.9528699646.

Adding to 420110434 its reverse (434011024), we get a palindrome (854121458).

The spelling of 420110434 in words is "four hundred twenty million, one hundred ten thousand, four hundred thirty-four".