13650203120 has 20 divisors (see below), whose sum is σ = 31736722440. Its totient is φ = 5460081216.

The previous prime is 13650203027. The next prime is 13650203143. The reversal of 13650203120 is 2130205631.

It is a tau number, because it is divible by the number of its divisors (20).

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, 85313690 + ... + 85313849.

It is an arithmetic number, because the mean of its divisors is an integer number (1586836122).

Almost surely, 2^13650203120 is an apocalyptic number.

13650203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13650203120 is an abundant number, since it is smaller than the sum of its proper divisors (18086519320).

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

13650203120 is a wasteful number, since it uses less digits than its factorization.

13650203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170627552 (or 170627546 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 13650203120 its reverse (2130205631), we get a palindrome (15780408751).

The spelling of 13650203120 in words is "thirteen billion, six hundred fifty million, two hundred three thousand, one hundred twenty".