420002002422 has 12 divisors (see below), whose sum is σ = 910004338620. Its totient is φ = 140000667468.

The previous prime is 420002002403. The next prime is 420002002423. The reversal of 420002002422 is 224200200024.

420002002422 is a `hidden beast` number, since 42 + 0 + 0 + 0 + 200 + 2 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 23333444579 = 420002002422 / (4 + 2 + 0 + 0 + 0 + 2 + 0 + 0 + 2 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 420002002395 and 420002002404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420002002423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11666722272 + ... + 11666722307.

It is an arithmetic number, because the mean of its divisors is an integer number (75833694885).

Almost surely, 2^420002002422 is an apocalyptic number.

420002002422 is an abundant number, since it is smaller than the sum of its proper divisors (490002336198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420002002422 is a wasteful number, since it uses less digits than its factorization.

420002002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23333444587 (or 23333444584 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 420002002422 its reverse (224200200024), we get a palindrome (644202202446).

The spelling of 420002002422 in words is "four hundred twenty billion, two million, two thousand, four hundred twenty-two".