20686610614029 has 8 divisors (see below), whose sum is σ = 27583159449120. Its totient is φ = 13790567760816.

The previous prime is 20686610613961. The next prime is 20686610614037. The reversal of 20686610614029 is 92041601668602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20686610614029 - 2⁹ = 20686610613517 is a prime.

It is a super-2 number, since 2×20686610614029² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20686610614049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126400062 + ... + 126563615.

It is an arithmetic number, because the mean of its divisors is an integer number (3447894931140).

Almost surely, 2^{20686610614029} is an apocalyptic number.

It is an amenable number.

20686610614029 is a deficient number, since it is larger than the sum of its proper divisors (6896548835091).

20686610614029 is a wasteful number, since it uses less digits than its factorization.

20686610614029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252990939.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 20686610614029 in words is "twenty trillion, six hundred eighty-six billion, six hundred ten million, six hundred fourteen thousand, twenty-nine".