20330120099 has 16 divisors (see below), whose sum is σ = 21681676800. Its totient is φ = 19007841024.

The previous prime is 20330120081. The next prime is 20330120101. The reversal of 20330120099 is 99002103302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330120099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330120059) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 646274 + ... + 677000.

It is an arithmetic number, because the mean of its divisors is an integer number (1355104800).

Almost surely, 2^20330120099 is an apocalyptic number.

20330120099 is a deficient number, since it is larger than the sum of its proper divisors (1351556701).

20330120099 is a wasteful number, since it uses less digits than its factorization.

20330120099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31202.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 20330120099 in words is "twenty billion, three hundred thirty million, one hundred twenty thousand, ninety-nine".