200203321194 has 64 divisors (see below), whose sum is σ = 456282288000. Its totient is φ = 65030359680.

The previous prime is 200203321147. The next prime is 200203321223. The reversal of 200203321194 is 491123302002.

It is a happy number.

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

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, 1849192 + ... + 1954460.

It is an arithmetic number, because the mean of its divisors is an integer number (7129410750).

Almost surely, 2^200203321194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200203321194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228141144000).

200203321194 is an abundant number, since it is smaller than the sum of its proper divisors (256078966806).

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

200203321194 is a wasteful number, since it uses less digits than its factorization.

200203321194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106180 (or 106174 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 200203321194 its reverse (491123302002), we get a palindrome (691326623196).

The spelling of 200203321194 in words is "two hundred billion, two hundred three million, three hundred twenty-one thousand, one hundred ninety-four".