220103001144 has 96 divisors (see below), whose sum is σ = 644285416320. Its totient is φ = 67479429888.

The previous prime is 220103001071. The next prime is 220103001149. The reversal of 220103001144 is 441100301022.

220103001144 is a `hidden beast` number, since 220 + 1 + 0 + 300 + 1 + 144 = 666.

It is a super-2 number, since 2×220103001144² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220103001149) 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, 165192 + ... + 683735.

It is an arithmetic number, because the mean of its divisors is an integer number (6711306420).

Almost surely, 2^220103001144 is an apocalyptic number.

220103001144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220103001144 is an abundant number, since it is smaller than the sum of its proper divisors (424182415176).

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

220103001144 is a wasteful number, since it uses less digits than its factorization.

220103001144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849229 (or 849222 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 220103001144 its reverse (441100301022), we get a palindrome (661203302166).

The spelling of 220103001144 in words is "two hundred twenty billion, one hundred three million, one thousand, one hundred forty-four".