200420200424 has 16 divisors (see below), whose sum is σ = 375818688900. Its totient is φ = 100201883392.

The previous prime is 200420200423. The next prime is 200420200429. The reversal of 200420200424 is 424002024002.

It can be written as a sum of positive squares in 2 ways, for example, as 139420092100 + 61000108324 = 373390^2 + 246982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200420200396 and 200420200405.

It is not an unprimeable number, because it can be changed into a prime (200420200423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922817 + ... + 1119120.

Almost surely, 2^200420200424 is an apocalyptic number.

It is an amenable number.

200420200424 is a deficient number, since it is larger than the sum of its proper divisors (175398488476).

200420200424 is a wasteful number, since it uses less digits than its factorization.

200420200424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054212 (or 2054208 counting only the distinct ones).

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

Adding to 200420200424 its reverse (424002024002), we get a palindrome (624422224426).

The spelling of 200420200424 in words is "two hundred billion, four hundred twenty million, two hundred thousand, four hundred twenty-four".