20414616505 has 8 divisors (see below), whose sum is σ = 24792691392. Its totient is φ = 16134925488.

The previous prime is 20414616473. The next prime is 20414616517. The reversal of 20414616505 is 50561641402.

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

It is a cyclic number.

It is not a de Polignac number, because 20414616505 - 2⁵ = 20414616473 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 24595509 + ... + 24596338.

It is an arithmetic number, because the mean of its divisors is an integer number (3099086424).

Almost surely, 2^20414616505 is an apocalyptic number.

It is an amenable number.

20414616505 is a deficient number, since it is larger than the sum of its proper divisors (4378074887).

20414616505 is an equidigital number, since it uses as much as digits as its factorization.

20414616505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49191935.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 20414616505 in words is "twenty billion, four hundred fourteen million, six hundred sixteen thousand, five hundred five".