200420444142 has 144 divisors (see below), whose sum is σ = 478186776288. Its totient is φ = 60528948480.

The previous prime is 200420444131. The next prime is 200420444153. The reversal of 200420444142 is 241444024002.

200420444142 is a `hidden beast` number, since 200 + 4 + 2 + 0 + 44 + 414 + 2 = 666.

200420444142 is digitally balanced in base 3, 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 (200420444131) and next prime (200420444153).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18447792 + ... + 18458652.

It is an arithmetic number, because the mean of its divisors is an integer number (3320741502).

Almost surely, 2^200420444142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200420444142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239093388144).

200420444142 is an abundant number, since it is smaller than the sum of its proper divisors (277766332146).

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

200420444142 is a wasteful number, since it uses less digits than its factorization.

200420444142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11003 (or 10971 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 200420444142 its reverse (241444024002), we get a palindrome (441864468144).

The spelling of 200420444142 in words is "two hundred billion, four hundred twenty million, four hundred forty-four thousand, one hundred forty-two".