201020220100000 has 144 divisors (see below), whose sum is σ = 565333187360256. Its totient is φ = 68921218080000.

The previous prime is 201020220099989. The next prime is 201020220100027. The reversal of 201020220100000 is 1022020102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 201020220100000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142885872 + ... + 144285871.

It is an arithmetic number, because the mean of its divisors is an integer number (3925924912224).

Almost surely, 2^{201020220100000} is an apocalyptic number.

201020220100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020220100000 is an abundant number, since it is smaller than the sum of its proper divisors (364312967260256).

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

201020220100000 is an frugal number, since it uses more digits than its factorization.

201020220100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287171785 (or 287171757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201020220100000 its reverse (1022020102), we get a palindrome (201021242120102).

The spelling of 201020220100000 in words is "two hundred one trillion, twenty billion, two hundred twenty million, one hundred thousand".