20036186516 has 24 divisors (see below), whose sum is σ = 35999740224. Its totient is φ = 9751651520.

The previous prime is 20036186497. The next prime is 20036186699. The reversal of 20036186516 is 61568163002.

It is a self number, because there is not a number n which added to its sum of digits gives 20036186516.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65240 + ... + 210543.

It is an arithmetic number, because the mean of its divisors is an integer number (1499989176).

Almost surely, 2^20036186516 is an apocalyptic number.

It is an amenable number.

20036186516 is a deficient number, since it is larger than the sum of its proper divisors (15963553708).

20036186516 is a wasteful number, since it uses less digits than its factorization.

20036186516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276271 (or 276269 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 20036186516 in words is "twenty billion, thirty-six million, one hundred eighty-six thousand, five hundred sixteen".