13020646340870 has 32 divisors (see below), whose sum is σ = 26823108744000. Its totient is φ = 4457925081216.

The previous prime is 13020646340843. The next prime is 13020646340929. The reversal of 13020646340870 is 7804364602031.

It is a super-2 number, since 2×13020646340870² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131127545 + ... + 131226804.

It is an arithmetic number, because the mean of its divisors is an integer number (838222148250).

Almost surely, 2^{13020646340870} is an apocalyptic number.

13020646340870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13020646340870 is an abundant number, since it is smaller than the sum of its proper divisors (13802462403130).

13020646340870 is a wasteful number, since it uses less digits than its factorization.

13020646340870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262355072.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 13020646340870 in words is "thirteen trillion, twenty billion, six hundred forty-six million, three hundred forty thousand, eight hundred seventy".