13259562220 has 12 divisors (see below), whose sum is σ = 27845080704. Its totient is φ = 5303824880.

The previous prime is 13259562209. The next prime is 13259562221. The reversal of 13259562220 is 2226595231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13259562220.

It is not an unprimeable number, because it can be changed into a prime (13259562221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331489036 + ... + 331489075.

It is an arithmetic number, because the mean of its divisors is an integer number (2320423392).

Almost surely, 2^13259562220 is an apocalyptic number.

13259562220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13259562220 is an abundant number, since it is smaller than the sum of its proper divisors (14585518484).

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

13259562220 is a wasteful number, since it uses less digits than its factorization.

13259562220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662978120 (or 662978118 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 13259562220 in words is "thirteen billion, two hundred fifty-nine million, five hundred sixty-two thousand, two hundred twenty".