20140540514 has 4 divisors (see below), whose sum is σ = 30210810774. Its totient is φ = 10070270256.

The previous prime is 20140540507. The next prime is 20140540517. The reversal of 20140540514 is 41504504102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20140434889 + 105625 = 141917^2 + 325^2 .

It is not an unprimeable number, because it can be changed into a prime (20140540517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035135127 + ... + 5035135130.

Almost surely, 2^20140540514 is an apocalyptic number.

20140540514 is a deficient number, since it is larger than the sum of its proper divisors (10070270260).

20140540514 is a wasteful number, since it uses less digits than its factorization.

20140540514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070270259.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 20140540514 in words is "twenty billion, one hundred forty million, five hundred forty thousand, five hundred fourteen".