103320144020 has 12 divisors (see below), whose sum is σ = 216972302484. Its totient is φ = 41328057600.

The previous prime is 103320143989. The next prime is 103320144077. The reversal of 103320144020 is 20441023301.

It can be written as a sum of positive squares in 2 ways, for example, as 62317133956 + 41003010064 = 249634^2 + 202492^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5166007201 = 103320144020 / (1 + 0 + 3 + 3 + 2 + 0 + 1 + 4 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 103320143983 and 103320144001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2583003581 + ... + 2583003620.

It is an arithmetic number, because the mean of its divisors is an integer number (18081025207).

Almost surely, 2^103320144020 is an apocalyptic number.

103320144020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103320144020 is an abundant number, since it is smaller than the sum of its proper divisors (113652158464).

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

103320144020 is a wasteful number, since it uses less digits than its factorization.

103320144020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166007210 (or 5166007208 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 103320144020 its reverse (20441023301), we get a palindrome (123761167321).

The spelling of 103320144020 in words is "one hundred three billion, three hundred twenty million, one hundred forty-four thousand, twenty".