420020002241 has 16 divisors (see below), whose sum is σ = 481733391360. Its totient is φ = 358735052880.

The previous prime is 420020002223. The next prime is 420020002243. The reversal of 420020002241 is 142200020024.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420020002241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420020002243) 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, 6540410 + ... + 6604316.

It is an arithmetic number, because the mean of its divisors is an integer number (30108336960).

Almost surely, 2^420020002241 is an apocalyptic number.

It is an amenable number.

420020002241 is a deficient number, since it is larger than the sum of its proper divisors (61713389119).

420020002241 is a wasteful number, since it uses less digits than its factorization.

420020002241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67244.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 420020002241 its reverse (142200020024), we get a palindrome (562220022265).

The spelling of 420020002241 in words is "four hundred twenty billion, twenty million, two thousand, two hundred forty-one".