20147024321706 has 32 divisors (see below), whose sum is σ = 41267640173760. Its totient is φ = 6553686190464.

The previous prime is 20147024321693. The next prime is 20147024321713. The reversal of 20147024321706 is 60712342074102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34292085 + ... + 34874648.

It is an arithmetic number, because the mean of its divisors is an integer number (1289613755430).

Almost surely, 2^{20147024321706} is an apocalyptic number.

20147024321706 is an abundant number, since it is smaller than the sum of its proper divisors (21120615852054).

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

20147024321706 is a wasteful number, since it uses less digits than its factorization.

20147024321706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69167910.

The product of its (nonzero) digits is 112896, while the sum is 39.

Adding to 20147024321706 its reverse (60712342074102), we get a palindrome (80859366395808).

The spelling of 20147024321706 in words is "twenty trillion, one hundred forty-seven billion, twenty-four million, three hundred twenty-one thousand, seven hundred six".