420204041011 has 4 divisors (see below), whose sum is σ = 422551549800. Its totient is φ = 417856532224.

The previous prime is 420204040933. The next prime is 420204041029. The reversal of 420204041011 is 110140402024.

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-420204041011 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 420204041011.

It is not an unprimeable number, because it can be changed into a prime (420204041071) 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, 1173754126 + ... + 1173754483.

It is an arithmetic number, because the mean of its divisors is an integer number (105637887450).

Almost surely, 2^420204041011 is an apocalyptic number.

420204041011 is a deficient number, since it is larger than the sum of its proper divisors (2347508789).

420204041011 is a wasteful number, since it uses less digits than its factorization.

420204041011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347508788.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 420204041011 its reverse (110140402024), we get a palindrome (530344443035).

The spelling of 420204041011 in words is "four hundred twenty billion, two hundred four million, forty-one thousand, eleven".