13201204340 has 12 divisors (see below), whose sum is σ = 27722529156. Its totient is φ = 5280481728.

The previous prime is 13201204337. The next prime is 13201204391. The reversal of 13201204340 is 4340210231.

It can be written as a sum of positive squares in 2 ways, for example, as 5293726564 + 7907477776 = 72758^2 + 88924^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 660060217 = 13201204340 / (1 + 3 + 2 + 0 + 1 + 2 + 0 + 4 + 3 + 4 + 0).

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, 330030089 + ... + 330030128.

It is an arithmetic number, because the mean of its divisors is an integer number (2310210763).

Almost surely, 2^13201204340 is an apocalyptic number.

13201204340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201204340 is an abundant number, since it is smaller than the sum of its proper divisors (14521324816).

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

13201204340 is a wasteful number, since it uses less digits than its factorization.

13201204340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660060226 (or 660060224 counting only the distinct ones).

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

Adding to 13201204340 its reverse (4340210231), we get a palindrome (17541414571).

The spelling of 13201204340 in words is "thirteen billion, two hundred one million, two hundred four thousand, three hundred forty".