200022021850 has 48 divisors (see below), whose sum is σ = 428537714688. Its totient is φ = 68038971840.

The previous prime is 200022021821. The next prime is 200022021851. The reversal of 200022021850 is 58120220002.

It is not an unprimeable number, because it can be changed into a prime (200022021851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2205517 + ... + 2294416.

It is an arithmetic number, because the mean of its divisors is an integer number (8927869056).

Almost surely, 2^200022021850 is an apocalyptic number.

200022021850 is an abundant number, since it is smaller than the sum of its proper divisors (228515692838).

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

200022021850 is a wasteful number, since it uses less digits than its factorization.

200022021850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500079 (or 4500074 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 200022021850 its reverse (58120220002), we get a palindrome (258142241852).

The spelling of 200022021850 in words is "two hundred billion, twenty-two million, twenty-one thousand, eight hundred fifty".