20204002422 has 16 divisors (see below), whose sum is σ = 44897783280. Its totient is φ = 6734667456.

The previous prime is 20204002417. The next prime is 20204002433. The reversal of 20204002422 is 22420040202.

20204002422 is a `hidden beast` number, since 2 + 0 + 20 + 400 + 242 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20204002395 and 20204002404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187074043 + ... + 187074150.

It is an arithmetic number, because the mean of its divisors is an integer number (2806111455).

Almost surely, 2^20204002422 is an apocalyptic number.

20204002422 is an abundant number, since it is smaller than the sum of its proper divisors (24693780858).

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

20204002422 is a wasteful number, since it uses less digits than its factorization.

20204002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374148204 (or 374148198 counting only the distinct ones).

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

Adding to 20204002422 its reverse (22420040202), we get a palindrome (42624042624).

The spelling of 20204002422 in words is "twenty billion, two hundred four million, two thousand, four hundred twenty-two".