103520202345 has 96 divisors (see below), whose sum is σ = 209424413952. Its totient is φ = 46322505216.

The previous prime is 103520202277. The next prime is 103520202347. The reversal of 103520202345 is 543202025301.

It is a happy number.

103520202345 is a `hidden beast` number, since 103 + 520 + 2 + 0 + 2 + 34 + 5 = 666.

It is not a de Polignac number, because 103520202345 - 2¹⁰ = 103520201321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103520202347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7388887 + ... + 7402883.

It is an arithmetic number, because the mean of its divisors is an integer number (2181504312).

Almost surely, 2^103520202345 is an apocalyptic number.

103520202345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103520202345 is an abundant number, since it is smaller than the sum of its proper divisors (105904211607).

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

103520202345 is a wasteful number, since it uses less digits than its factorization.

103520202345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14511 (or 14508 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 103520202345 its reverse (543202025301), we get a palindrome (646722227646).

The spelling of 103520202345 in words is "one hundred three billion, five hundred twenty million, two hundred two thousand, three hundred forty-five".