103205254520 has 32 divisors (see below), whose sum is σ = 240219129600. Its totient is φ = 39858580608.

The previous prime is 103205254507. The next prime is 103205254531. The reversal of 103205254520 is 25452502301.

103205254520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44483864 + ... + 44486183.

It is an arithmetic number, because the mean of its divisors is an integer number (7506847800).

Almost surely, 2^103205254520 is an apocalyptic number.

103205254520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103205254520 is an abundant number, since it is smaller than the sum of its proper divisors (137013875080).

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

103205254520 is a wasteful number, since it uses less digits than its factorization.

103205254520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88970087 (or 88970083 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 103205254520 its reverse (25452502301), we get a palindrome (128657756821).

The spelling of 103205254520 in words is "one hundred three billion, two hundred five million, two hundred fifty-four thousand, five hundred twenty".