420443323201 has 16 divisors (see below), whose sum is σ = 478758325248. Its totient is φ = 365487614800.

The previous prime is 420443323169. The next prime is 420443323211. The reversal of 420443323201 is 102323344024.

It is not a de Polignac number, because 420443323201 - 2⁵ = 420443323169 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 420443323201.

It is not an unprimeable number, because it can be changed into a prime (420443323211) 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, 546930 + ... + 1067716.

It is an arithmetic number, because the mean of its divisors is an integer number (29922395328).

Almost surely, 2^420443323201 is an apocalyptic number.

It is an amenable number.

420443323201 is a deficient number, since it is larger than the sum of its proper divisors (58315002047).

420443323201 is a wasteful number, since it uses less digits than its factorization.

420443323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524012.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 420443323201 its reverse (102323344024), we get a palindrome (522766667225).

The spelling of 420443323201 in words is "four hundred twenty billion, four hundred forty-three million, three hundred twenty-three thousand, two hundred one".