103002321220 has 96 divisors (see below), whose sum is σ = 225542711520. Its totient is φ = 39465000960.

The previous prime is 103002321209. The next prime is 103002321283. The reversal of 103002321220 is 22123200301.

It can be written as a sum of positive squares in 16 ways, for example, as 8128464964 + 94873856256 = 90158^2 + 308016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103002321194 and 103002321203.

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, 66323964 + ... + 66325516.

It is an arithmetic number, because the mean of its divisors is an integer number (2349403245).

Almost surely, 2^103002321220 is an apocalyptic number.

103002321220 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 103002321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112771355760).

103002321220 is an abundant number, since it is smaller than the sum of its proper divisors (122540390300).

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

103002321220 is a wasteful number, since it uses less digits than its factorization.

103002321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 103002321220 its reverse (22123200301), we get a palindrome (125125521521).

The spelling of 103002321220 in words is "one hundred three billion, two million, three hundred twenty-one thousand, two hundred twenty".