20736129939714 has 80 divisors (see below), whose sum is σ = 53299453204800. Its totient is φ = 5902583900256.

The previous prime is 20736129939671. The next prime is 20736129939787. The reversal of 20736129939714 is 41793992163702.

20736129939714 is a `hidden beast` number, since 2 + 0 + 7 + 3 + 612 + 9 + 9 + 3 + 9 + 7 + 1 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33683484 + ... + 34293575.

It is an arithmetic number, because the mean of its divisors is an integer number (666243165060).

Almost surely, 2^{20736129939714} is an apocalyptic number.

20736129939714 is an abundant number, since it is smaller than the sum of its proper divisors (32563323265086).

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

20736129939714 is a wasteful number, since it uses less digits than its factorization.

20736129939714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67977349 (or 67977340 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

The spelling of 20736129939714 in words is "twenty trillion, seven hundred thirty-six billion, one hundred twenty-nine million, nine hundred thirty-nine thousand, seven hundred fourteen".