20117514474472 has 32 divisors (see below), whose sum is σ = 40056997881600. Its totient is φ = 9445018431744.

The previous prime is 20117514474461. The next prime is 20117514474479. The reversal of 20117514474472 is 27447441571102.

It is not an unprimeable number, because it can be changed into a prime (20117514474479) 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, 585611448 + ... + 585645799.

It is an arithmetic number, because the mean of its divisors is an integer number (1251781183800).

Almost surely, 2^{20117514474472} is an apocalyptic number.

It is an amenable number.

20117514474472 is a deficient number, since it is larger than the sum of its proper divisors (19939483407128).

20117514474472 is a wasteful number, since it uses less digits than its factorization.

20117514474472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171257385 (or 1171257381 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 49.

The spelling of 20117514474472 in words is "twenty trillion, one hundred seventeen billion, five hundred fourteen million, four hundred seventy-four thousand, four hundred seventy-two".