20087346118 has 16 divisors (see below), whose sum is σ = 34445376000. Its totient is φ = 8606381256.

The previous prime is 20087346113. The next prime is 20087346127. The reversal of 20087346118 is 81164378002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20087346113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156046 + ... + 254017.

It is an arithmetic number, because the mean of its divisors is an integer number (2152836000).

Almost surely, 2^20087346118 is an apocalyptic number.

20087346118 is a deficient number, since it is larger than the sum of its proper divisors (14358029882).

20087346118 is a wasteful number, since it uses less digits than its factorization.

20087346118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413571.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 20087346118 in words is "twenty billion, eighty-seven million, three hundred forty-six thousand, one hundred eighteen".