420454104231 has 32 divisors (see below), whose sum is σ = 643230720000. Its totient is φ = 239308151040.

The previous prime is 420454104193. The next prime is 420454104247. The reversal of 420454104231 is 132401454024.

It is not a de Polignac number, because 420454104231 - 2¹¹ = 420454102183 is a prime.

It is a super-2 number, since 2×420454104231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420454104731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16208890 + ... + 16234808.

It is an arithmetic number, because the mean of its divisors is an integer number (20100960000).

Almost surely, 2^420454104231 is an apocalyptic number.

420454104231 is a deficient number, since it is larger than the sum of its proper divisors (222776615769).

420454104231 is a wasteful number, since it uses less digits than its factorization.

420454104231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28959.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 420454104231 its reverse (132401454024), we get a palindrome (552855558255).

The spelling of 420454104231 in words is "four hundred twenty billion, four hundred fifty-four million, one hundred four thousand, two hundred thirty-one".