200420430342 has 96 divisors (see below), whose sum is σ = 457696068480. Its totient is φ = 58019660160.

The previous prime is 200420430337. The next prime is 200420430347. The reversal of 200420430342 is 243034024002.

200420430342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200420430337) and next prime (200420430347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200420430347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31663834 + ... + 31670162.

It is an arithmetic number, because the mean of its divisors is an integer number (4767667380).

Almost surely, 2^200420430342 is an apocalyptic number.

200420430342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 200420430342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228848034240).

200420430342 is an abundant number, since it is smaller than the sum of its proper divisors (257275638138).

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

200420430342 is a wasteful number, since it uses less digits than its factorization.

200420430342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298 (or 7275 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 200420430342 its reverse (243034024002), we get a palindrome (443454454344).

The spelling of 200420430342 in words is "two hundred billion, four hundred twenty million, four hundred thirty thousand, three hundred forty-two".