13201023240 has 96 divisors (see below), whose sum is σ = 43446499200. Its totient is φ = 3475704960.

The previous prime is 13201023221. The next prime is 13201023287. The reversal of 13201023240 is 4232010231.

13201023240 is a `hidden beast` number, since 1 + 320 + 102 + 3 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203646 + ... + 260525.

It is an arithmetic number, because the mean of its divisors is an integer number (452567700).

Almost surely, 2^13201023240 is an apocalyptic number.

13201023240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201023240 is an abundant number, since it is smaller than the sum of its proper divisors (30245475960).

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

13201023240 is a wasteful number, since it uses less digits than its factorization.

13201023240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464267 (or 464260 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13201023240 its reverse (4232010231), we get a palindrome (17433033471).

The spelling of 13201023240 in words is "thirteen billion, two hundred one million, twenty-three thousand, two hundred forty".