420321110303 has 4 divisors (see below), whose sum is σ = 421816915248. Its totient is φ = 418825305360.

The previous prime is 420321110267. The next prime is 420321110323. The reversal of 420321110303 is 303011123024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420321110303 - 2⁶ = 420321110239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420321110323) 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, 747902051 + ... + 747902612.

It is an arithmetic number, because the mean of its divisors is an integer number (105454228812).

Almost surely, 2^420321110303 is an apocalyptic number.

420321110303 is a deficient number, since it is larger than the sum of its proper divisors (1495804945).

420321110303 is a wasteful number, since it uses less digits than its factorization.

420321110303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495804944.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 420321110303 its reverse (303011123024), we get a palindrome (723332233327).

The spelling of 420321110303 in words is "four hundred twenty billion, three hundred twenty-one million, one hundred ten thousand, three hundred three".