20305534514 has 8 divisors (see below), whose sum is σ = 30458978688. Its totient is φ = 10152541620.

The previous prime is 20305534507. The next prime is 20305534531. The reversal of 20305534514 is 41543550302.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 42359 + ... + 205925.

It is an arithmetic number, because the mean of its divisors is an integer number (3807372336).

Almost surely, 2^20305534514 is an apocalyptic number.

20305534514 is a deficient number, since it is larger than the sum of its proper divisors (10153444174).

20305534514 is a wasteful number, since it uses less digits than its factorization.

20305534514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225640.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 20305534514 in words is "twenty billion, three hundred five million, five hundred thirty-four thousand, five hundred fourteen".