420434330011 has 4 divisors (see below), whose sum is σ = 421543655800. Its totient is φ = 419325004224.

The previous prime is 420434330003. The next prime is 420434330047. The reversal of 420434330011 is 110033434024.

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 420434330011 - 2³ = 420434330003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420434330311) 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, 554662326 + ... + 554663083.

It is an arithmetic number, because the mean of its divisors is an integer number (105385913950).

Almost surely, 2^420434330011 is an apocalyptic number.

420434330011 is a deficient number, since it is larger than the sum of its proper divisors (1109325789).

420434330011 is a wasteful number, since it uses less digits than its factorization.

420434330011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109325788.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 420434330011 its reverse (110033434024), we get a palindrome (530467764035).

The spelling of 420434330011 in words is "four hundred twenty billion, four hundred thirty-four million, three hundred thirty thousand, eleven".