201444102220 has 24 divisors (see below), whose sum is σ = 423059850864. Its totient is φ = 80572453056.

The previous prime is 201444102151. The next prime is 201444102229. The reversal of 201444102220 is 22201444102.

It is a junction number, because it is equal to n+sod(n) for n = 201444102191 and 201444102200.

It is not an unprimeable number, because it can be changed into a prime (201444102229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182 + ... + 634738.

It is an arithmetic number, because the mean of its divisors is an integer number (17627493786).

Almost surely, 2^201444102220 is an apocalyptic number.

201444102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201444102220 is an abundant number, since it is smaller than the sum of its proper divisors (221615748644).

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

201444102220 is a wasteful number, since it uses less digits than its factorization.

201444102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648489 (or 648487 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 201444102220 its reverse (22201444102), we get a palindrome (223645546322).

The spelling of 201444102220 in words is "two hundred one billion, four hundred forty-four million, one hundred two thousand, two hundred twenty".