20000740705 has 8 divisors (see below), whose sum is σ = 26182787904. Its totient is φ = 14545993200.

The previous prime is 20000740699. The next prime is 20000740709. The reversal of 20000740705 is 50704700002.

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

It is not a de Polignac number, because 20000740705 - 2¹³ = 20000732513 is a prime.

It is a super-3 number, since 3×20000740705³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20000740705.

It is not an unprimeable number, because it can be changed into a prime (20000740709) 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 in 7 ways as a sum of consecutive naturals, for example, 181824861 + ... + 181824970.

It is an arithmetic number, because the mean of its divisors is an integer number (3272848488).

Almost surely, 2^20000740705 is an apocalyptic number.

It is an amenable number.

20000740705 is a deficient number, since it is larger than the sum of its proper divisors (6182047199).

20000740705 is a wasteful number, since it uses less digits than its factorization.

20000740705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363649847.

The product of its (nonzero) digits is 1960, while the sum is 25.

The spelling of 20000740705 in words is "twenty billion, seven hundred forty thousand, seven hundred five".