200420622405 has 64 divisors (see below), whose sum is σ = 369382291200. Its totient is φ = 102983166720.

The previous prime is 200420622397. The next prime is 200420622427. The reversal of 200420622405 is 504226024002.

It is a happy number.

It is not a de Polignac number, because 200420622405 - 2³ = 200420622397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1773495 + ... + 1883115.

It is an arithmetic number, because the mean of its divisors is an integer number (5771598300).

Almost surely, 2^200420622405 is an apocalyptic number.

It is an amenable number.

200420622405 is a deficient number, since it is larger than the sum of its proper divisors (168961668795).

200420622405 is a wasteful number, since it uses less digits than its factorization.

200420622405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110131 (or 110125 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 200420622405 its reverse (504226024002), we get a palindrome (704646646407).

The spelling of 200420622405 in words is "two hundred billion, four hundred twenty million, six hundred twenty-two thousand, four hundred five".