20117471102 has 4 divisors (see below), whose sum is σ = 30176206656. Its totient is φ = 10058735550.

The previous prime is 20117471083. The next prime is 20117471117.

20117471102 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5029367774 + ... + 5029367777.

It is an arithmetic number, because the mean of its divisors is an integer number (7544051664).

Almost surely, 2^20117471102 is an apocalyptic number.

20117471102 is a deficient number, since it is larger than the sum of its proper divisors (10058735554).

20117471102 is a wasteful number, since it uses less digits than its factorization.

20117471102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058735553.

The product of its (nonzero) digits is 784, while the sum is 26.

The spelling of 20117471102 in words is "twenty billion, one hundred seventeen million, four hundred seventy-one thousand, one hundred two".