20366753785 has 16 divisors (see below), whose sum is σ = 28686456576. Its totient is φ = 13588319808.

The previous prime is 20366753779. The next prime is 20366753807. The reversal of 20366753785 is 58735766302.

It is not a de Polignac number, because 20366753785 - 2¹¹ = 20366751737 is a prime.

It is a Duffinian 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, 7862317 + ... + 7864906.

It is an arithmetic number, because the mean of its divisors is an integer number (1792903536).

Almost surely, 2^20366753785 is an apocalyptic number.

It is an amenable number.

20366753785 is a deficient number, since it is larger than the sum of its proper divisors (8319702791).

20366753785 is a wasteful number, since it uses less digits than its factorization.

20366753785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727272.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 20366753785 in words is "twenty billion, three hundred sixty-six million, seven hundred fifty-three thousand, seven hundred eighty-five".