420334320011 has 4 divisors (see below), whose sum is σ = 420522223152. Its totient is φ = 420146416872.

The previous prime is 420334320001. The next prime is 420334320157. The reversal of 420334320011 is 110023433024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420334320011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420334320001) 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, 93948215 + ... + 93952688.

It is an arithmetic number, because the mean of its divisors is an integer number (105130555788).

Almost surely, 2^420334320011 is an apocalyptic number.

420334320011 is a deficient number, since it is larger than the sum of its proper divisors (187903141).

420334320011 is a wasteful number, since it uses less digits than its factorization.

420334320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187903140.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 420334320011 its reverse (110023433024), we get a palindrome (530357753035).

The spelling of 420334320011 in words is "four hundred twenty billion, three hundred thirty-four million, three hundred twenty thousand, eleven".