420100144201 has 4 divisors (see below), whose sum is σ = 434586356100. Its totient is φ = 405613932304.

The previous prime is 420100144153. The next prime is 420100144223. The reversal of 420100144201 is 102441001024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 307270662400 + 112829481801 = 554320^2 + 335901^2 .

It is a cyclic number.

It is not a de Polignac number, because 420100144201 - 2⁷ = 420100144073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420100144291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7243105906 + ... + 7243105963.

It is an arithmetic number, because the mean of its divisors is an integer number (108646589025).

Almost surely, 2^420100144201 is an apocalyptic number.

It is an amenable number.

420100144201 is a deficient number, since it is larger than the sum of its proper divisors (14486211899).

420100144201 is a wasteful number, since it uses less digits than its factorization.

420100144201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14486211898.

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

Adding to 420100144201 its reverse (102441001024), we get a palindrome (522541145225).

The spelling of 420100144201 in words is "four hundred twenty billion, one hundred million, one hundred forty-four thousand, two hundred one".