201000022000 has 40 divisors (see below), whose sum is σ = 486018058032. Its totient is φ = 80400008000.

The previous prime is 201000021997. The next prime is 201000022033. The reversal of 201000022000 is 220000102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50248006 + ... + 50252005.

Almost surely, 2^201000022000 is an apocalyptic number.

201000022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000022000 is an abundant number, since it is smaller than the sum of its proper divisors (285018036032).

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

201000022000 is a wasteful number, since it uses less digits than its factorization.

201000022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500034 (or 100500018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 201000022000 its reverse (220000102), we get a palindrome (201220022102).

The spelling of 201000022000 in words is "two hundred one billion, twenty-two thousand".