20330120005 has 16 divisors (see below), whose sum is σ = 26417939184. Its totient is φ = 14930058240.

The previous prime is 20330119991. The next prime is 20330120033. The reversal of 20330120005 is 50002103302.

It can be written as a sum of positive squares in 8 ways, for example, as 4534406244 + 15795713761 = 67338^2 + 125681^2 .

It is not a de Polignac number, because 20330120005 - 2⁵ = 20330119973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852244 + ... + 875773.

It is an arithmetic number, because the mean of its divisors is an integer number (1651121199).

Almost surely, 2^20330120005 is an apocalyptic number.

It is an amenable number.

20330120005 is a deficient number, since it is larger than the sum of its proper divisors (6087819179).

20330120005 is a wasteful number, since it uses less digits than its factorization.

20330120005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728216.

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 20330120005 its reverse (50002103302), we get a palindrome (70332223307).

The spelling of 20330120005 in words is "twenty billion, three hundred thirty million, one hundred twenty thousand, five".