103444021320 has 128 divisors (see below), whose sum is σ = 318867667200. Its totient is φ = 26827047936.

The previous prime is 103444021319. The next prime is 103444021333. The reversal of 103444021320 is 23120444301.

It is a super-2 number, since 2×103444021320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13125141 + ... + 13133019.

It is an arithmetic number, because the mean of its divisors is an integer number (2491153650).

Almost surely, 2^103444021320 is an apocalyptic number.

103444021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103444021320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159433833600).

103444021320 is an abundant number, since it is smaller than the sum of its proper divisors (215423645880).

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

103444021320 is a wasteful number, since it uses less digits than its factorization.

103444021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10887 (or 10883 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 103444021320 its reverse (23120444301), we get a palindrome (126564465621).

The spelling of 103444021320 in words is "one hundred three billion, four hundred forty-four million, twenty-one thousand, three hundred twenty".