420424013201 has 4 divisors (see below), whose sum is σ = 420443363904. Its totient is φ = 420404662500.

The previous prime is 420424013189. The next prime is 420424013239. The reversal of 420424013201 is 102310424024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420424013201 - 2²⁶ = 420356904337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420424013281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9642725 + ... + 9686226.

It is an arithmetic number, because the mean of its divisors is an integer number (105110840976).

Almost surely, 2^420424013201 is an apocalyptic number.

It is an amenable number.

420424013201 is a deficient number, since it is larger than the sum of its proper divisors (19350703).

420424013201 is a wasteful number, since it uses less digits than its factorization.

420424013201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19350702.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 420424013201 its reverse (102310424024), we get a palindrome (522734437225).

The spelling of 420424013201 in words is "four hundred twenty billion, four hundred twenty-four million, thirteen thousand, two hundred one".