20561360336114 has 16 divisors (see below), whose sum is σ = 33246658643352. Its totient is φ = 9480671906688.

The previous prime is 20561360336093. The next prime is 20561360336141. The reversal of 20561360336114 is 41163306316502.

It can be written as a sum of positive squares in 4 ways, for example, as 20539776318889 + 21584017225 = 4532083^2 + 146915^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382752209 + ... + 382805924.

Almost surely, 2^{20561360336114} is an apocalyptic number.

20561360336114 is a deficient number, since it is larger than the sum of its proper divisors (12685298307238).

20561360336114 is a wasteful number, since it uses less digits than its factorization.

20561360336114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765559181.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 20561360336114 in words is "twenty trillion, five hundred sixty-one billion, three hundred sixty million, three hundred thirty-six thousand, one hundred fourteen".