20087303686 has 16 divisors (see below), whose sum is σ = 30346298784. Its totient is φ = 9972028864.

The previous prime is 20087303641. The next prime is 20087303699. The reversal of 20087303686 is 68630378002.

It is a congruent number.

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, 218010 + ... + 296146.

It is an arithmetic number, because the mean of its divisors is an integer number (1896643674).

Almost surely, 2^20087303686 is an apocalyptic number.

20087303686 is a deficient number, since it is larger than the sum of its proper divisors (10258995098).

20087303686 is a wasteful number, since it uses less digits than its factorization.

20087303686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79055.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 20087303686 in words is "twenty billion, eighty-seven million, three hundred three thousand, six hundred eighty-six".