13260287020 has 12 divisors (see below), whose sum is σ = 27846602784. Its totient is φ = 5304114800.

The previous prime is 13260287009. The next prime is 13260287057. The reversal of 13260287020 is 2078206231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331507156 + ... + 331507195.

It is an arithmetic number, because the mean of its divisors is an integer number (2320550232).

Almost surely, 2^13260287020 is an apocalyptic number.

13260287020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13260287020 is an abundant number, since it is smaller than the sum of its proper divisors (14586315764).

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

13260287020 is a wasteful number, since it uses less digits than its factorization.

13260287020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663014360 (or 663014358 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 13260287020 in words is "thirteen billion, two hundred sixty million, two hundred eighty-seven thousand, twenty".