420233534 has 8 divisors (see below), whose sum is σ = 720400368. Its totient is φ = 180100080.

The previous prime is 420233497. The next prime is 420233537. The reversal of 420233534 is 435332024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420233537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15008327 + ... + 15008354.

It is an arithmetic number, because the mean of its divisors is an integer number (90050046).

Almost surely, 2^420233534 is an apocalyptic number.

420233534 is a deficient number, since it is larger than the sum of its proper divisors (300166834).

420233534 is a wasteful number, since it uses less digits than its factorization.

420233534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30016690.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 420233534 is about 20499.5983863099. The cubic root of 420233534 is about 749.0260150928.

Adding to 420233534 its reverse (435332024), we get a palindrome (855565558).

It can be divided in two parts, 420233 and 534, that multiplied together give a palindrome (224404422).

The spelling of 420233534 in words is "four hundred twenty million, two hundred thirty-three thousand, five hundred thirty-four".