422000204420 has 48 divisors (see below), whose sum is σ = 920075563008. Its totient is φ = 162410628480.

The previous prime is 422000204411. The next prime is 422000204441. The reversal of 422000204420 is 24402000224.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 422000204392 and 422000204401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1859924 + ... + 2074443.

It is an arithmetic number, because the mean of its divisors is an integer number (19168240896).

Almost surely, 2^422000204420 is an apocalyptic number.

It is an amenable number.

422000204420 is an abundant number, since it is smaller than the sum of its proper divisors (498075358588).

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

422000204420 is a wasteful number, since it uses less digits than its factorization.

422000204420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934580 (or 3934578 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 422000204420 its reverse (24402000224), we get a palindrome (446402204644).

The spelling of 422000204420 in words is "four hundred twenty-two billion, two hundred four thousand, four hundred twenty".