13205061960 has 32 divisors (see below), whose sum is σ = 39615186240. Its totient is φ = 3521349824.

The previous prime is 13205061949. The next prime is 13205062009. The reversal of 13205061960 is 6916050231.

It is a happy number.

It is a super-2 number, since 2×13205061960² (a number of 21 digits) contains 22 as substring.

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, 55020972 + ... + 55021211.

It is an arithmetic number, because the mean of its divisors is an integer number (1237974570).

Almost surely, 2^13205061960 is an apocalyptic number.

13205061960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13205061960 is an abundant number, since it is smaller than the sum of its proper divisors (26410124280).

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

13205061960 is a wasteful number, since it uses less digits than its factorization.

13205061960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110042197 (or 110042193 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 13205061960 in words is "thirteen billion, two hundred five million, sixty-one thousand, nine hundred sixty".