420332430220343 has 16 divisors (see below), whose sum is σ = 425402596846080. Its totient is φ = 415283524338816.

The previous prime is 420332430220333. The next prime is 420332430220397. The reversal of 420332430220343 is 343022034233024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 420332430220343 - 2¹⁰ = 420332430219319 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 (420332430220333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798509330 + ... + 799035552.

It is an arithmetic number, because the mean of its divisors is an integer number (26587662302880).

Almost surely, 2^{420332430220343} is an apocalyptic number.

420332430220343 is a deficient number, since it is larger than the sum of its proper divisors (5070166625737).

420332430220343 is a wasteful number, since it uses less digits than its factorization.

420332430220343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546406.

The product of its (nonzero) digits is 248832, while the sum is 35.

Adding to 420332430220343 its reverse (343022034233024), we get a palindrome (763354464453367).

The spelling of 420332430220343 in words is "four hundred twenty trillion, three hundred thirty-two billion, four hundred thirty million, two hundred twenty thousand, three hundred forty-three".