13020947551206 has 36 divisors (see below), whose sum is σ = 32818102503732. Its totient is φ = 3720270728664.

The previous prime is 13020947551189. The next prime is 13020947551219. The reversal of 13020947551206 is 60215574902031.

13020947551206 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 0 + 94 + 7 + 551 + 2 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7381488660 + ... + 7381490423.

It is an arithmetic number, because the mean of its divisors is an integer number (911613958437).

Almost surely, 2^{13020947551206} is an apocalyptic number.

13020947551206 is an abundant number, since it is smaller than the sum of its proper divisors (19797154952526).

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

13020947551206 is a wasteful number, since it uses less digits than its factorization.

13020947551206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14762979105 (or 14762979095 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 13020947551206 in words is "thirteen trillion, twenty billion, nine hundred forty-seven million, five hundred fifty-one thousand, two hundred six".