201000200221938 has 64 divisors (see below), whose sum is σ = 435857136624000. Its totient is φ = 61427179207680.

The previous prime is 201000200221901. The next prime is 201000200221939. The reversal of 201000200221938 is 839122002000102.

It is not an unprimeable number, because it can be changed into a prime (201000200221939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182275978 + ... + 183375386.

It is an arithmetic number, because the mean of its divisors is an integer number (6810267759750).

Almost surely, 2^{201000200221938} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201000200221938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217928568312000).

201000200221938 is an abundant number, since it is smaller than the sum of its proper divisors (234856936402062).

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

201000200221938 is a wasteful number, since it uses less digits than its factorization.

201000200221938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115307.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 201000200221938 in words is "two hundred one trillion, two hundred million, two hundred twenty-one thousand, nine hundred thirty-eight".