103420321320 has 128 divisors (see below), whose sum is σ = 311917132800. Its totient is φ = 27431798784.

The previous prime is 103420321297. The next prime is 103420321327. The reversal of 103420321320 is 23123024301.

It is not an unprimeable number, because it can be changed into a prime (103420321327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50970066 + ... + 50972094.

It is an arithmetic number, because the mean of its divisors is an integer number (2436852600).

Almost surely, 2^103420321320 is an apocalyptic number.

103420321320 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 103420321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155958566400).

103420321320 is an abundant number, since it is smaller than the sum of its proper divisors (208496811480).

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

103420321320 is a wasteful number, since it uses less digits than its factorization.

103420321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099 (or 4095 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 103420321320 its reverse (23123024301), we get a palindrome (126543345621).

The spelling of 103420321320 in words is "one hundred three billion, four hundred twenty million, three hundred twenty-one thousand, three hundred twenty".