200430421422 has 64 divisors (see below), whose sum is σ = 506813718528. Its totient is φ = 51326604000.

The previous prime is 200430421357. The next prime is 200430421441. The reversal of 200430421422 is 224124034002.

It is a junction number, because it is equal to n+sod(n) for n = 200430421392 and 200430421401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3022354 + ... + 3087957.

It is an arithmetic number, because the mean of its divisors is an integer number (7918964352).

Almost surely, 2^200430421422 is an apocalyptic number.

200430421422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200430421422 is an abundant number, since it is smaller than the sum of its proper divisors (306383297106).

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

200430421422 is a wasteful number, since it uses less digits than its factorization.

200430421422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110405.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 200430421422 its reverse (224124034002), we get a palindrome (424554455424).

The spelling of 200430421422 in words is "two hundred billion, four hundred thirty million, four hundred twenty-one thousand, four hundred twenty-two".