13103204240 has 160 divisors (see below), whose sum is σ = 37723656960. Its totient is φ = 4129800192.

The previous prime is 13103204239. The next prime is 13103204243. The reversal of 13103204240 is 4240230131.

It is a super-2 number, since 2×13103204240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13103204243) 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, 393356 + ... + 425364.

It is an arithmetic number, because the mean of its divisors is an integer number (235772856).

Almost surely, 2^13103204240 is an apocalyptic number.

13103204240 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 13103204240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18861828480).

13103204240 is an abundant number, since it is smaller than the sum of its proper divisors (24620452720).

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

13103204240 is a wasteful number, since it uses less digits than its factorization.

13103204240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32089 (or 32083 counting only the distinct ones).

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

Adding to 13103204240 its reverse (4240230131), we get a palindrome (17343434371).

The spelling of 13103204240 in words is "thirteen billion, one hundred three million, two hundred four thousand, two hundred forty".