420562230773 has 4 divisors (see below), whose sum is σ = 420845058240. Its totient is φ = 420279403308.

The previous prime is 420562230707. The next prime is 420562230791. The reversal of 420562230773 is 377032265024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420562230773 - 2²² = 420558036469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420562230773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420562260773) 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, 141411503 + ... + 141414476.

It is an arithmetic number, because the mean of its divisors is an integer number (105211264560).

Almost surely, 2^420562230773 is an apocalyptic number.

It is an amenable number.

420562230773 is a deficient number, since it is larger than the sum of its proper divisors (282827467).

420562230773 is a wasteful number, since it uses less digits than its factorization.

420562230773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282827466.

The product of its (nonzero) digits is 423360, while the sum is 41.

Adding to 420562230773 its reverse (377032265024), we get a palindrome (797594495797).

The spelling of 420562230773 in words is "four hundred twenty billion, five hundred sixty-two million, two hundred thirty thousand, seven hundred seventy-three".