20140683615 has 80 divisors (see below), whose sum is σ = 41168590848. Its totient is φ = 9332112384.

The previous prime is 20140683587. The next prime is 20140683679. The reversal of 20140683615 is 51638604102.

It is a happy number.

20140683615 is a `hidden beast` number, since 20 + 14 + 0 + 6 + 8 + 3 + 615 = 666.

It is not a de Polignac number, because 20140683615 - 2⁵ = 20140683583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20140683615.

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 79 ways as a sum of consecutive naturals, for example, 23007 + ... + 202016.

Almost surely, 2^20140683615 is an apocalyptic number.

20140683615 is an abundant number, since it is smaller than the sum of its proper divisors (21027907233).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20140683615 is a wasteful number, since it uses less digits than its factorization.

20140683615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225070 (or 225061 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 20140683615 in words is "twenty billion, one hundred forty million, six hundred eighty-three thousand, six hundred fifteen".