20140615318 has 8 divisors (see below), whose sum is σ = 30403349712. Its totient is φ = 10006165416.

The previous prime is 20140615303. The next prime is 20140615337. The reversal of 20140615318 is 81351604102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20140615318² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20140615318.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32070730 + ... + 32071357.

It is an arithmetic number, because the mean of its divisors is an integer number (3800418714).

Almost surely, 2^20140615318 is an apocalyptic number.

20140615318 is a deficient number, since it is larger than the sum of its proper divisors (10262734394).

20140615318 is a wasteful number, since it uses less digits than its factorization.

20140615318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64142246.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 20140615318 in words is "twenty billion, one hundred forty million, six hundred fifteen thousand, three hundred eighteen".