20020976385 has 16 divisors (see below), whose sum is σ = 32035960896. Its totient is φ = 10677054528.

The previous prime is 20020976329. The next prime is 20020976401. The reversal of 20020976385 is 58367902002.

It is not a de Polignac number, because 20020976385 - 2⁹ = 20020975873 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 196122 + ... + 280188.

It is an arithmetic number, because the mean of its divisors is an integer number (2002247556).

Almost surely, 2^20020976385 is an apocalyptic number.

It is an amenable number.

20020976385 is a deficient number, since it is larger than the sum of its proper divisors (12014984511).

20020976385 is a wasteful number, since it uses less digits than its factorization.

20020976385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99952.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 20020976385 in words is "twenty billion, twenty million, nine hundred seventy-six thousand, three hundred eighty-five".