20117212774102 has 8 divisors (see below), whose sum is σ = 30178148839416. Its totient is φ = 10057829827632.

The previous prime is 20117212774063. The next prime is 20117212774111. The reversal of 20117212774102 is 20147721271102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388247328 + ... + 388299139.

It is an arithmetic number, because the mean of its divisors is an integer number (3772268604927).

Almost surely, 2^{20117212774102} is an apocalyptic number.

20117212774102 is a deficient number, since it is larger than the sum of its proper divisors (10060936065314).

20117212774102 is a wasteful number, since it uses less digits than its factorization.

20117212774102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776559422.

The product of its (nonzero) digits is 21952, while the sum is 37.

The spelling of 20117212774102 in words is "twenty trillion, one hundred seventeen billion, two hundred twelve million, seven hundred seventy-four thousand, one hundred two".