20182868706184 has 16 divisors (see below), whose sum is σ = 40068930519900. Its totient is φ = 9497820567552.

The previous prime is 20182868706181. The next prime is 20182868706193. The reversal of 20182868706184 is 48160786828102.

It can be written as a sum of positive squares in 2 ways, for example, as 19168372548900 + 1014496157284 = 4378170^2 + 1007222^2 .

It is a super-2 number, since 2×20182868706184² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20182868706181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74201723049 + ... + 74201723320.

Almost surely, 2^{20182868706184} is an apocalyptic number.

It is an amenable number.

20182868706184 is a deficient number, since it is larger than the sum of its proper divisors (19886061813716).

20182868706184 is a wasteful number, since it uses less digits than its factorization.

20182868706184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148403446392 (or 148403446388 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 61.

The spelling of 20182868706184 in words is "twenty trillion, one hundred eighty-two billion, eight hundred sixty-eight million, seven hundred six thousand, one hundred eighty-four".