20086385 has 16 divisors (see below), whose sum is σ = 26730432. Its totient is φ = 14366400.

The previous prime is 20086309. The next prime is 20086393. The reversal of 20086385 is 58368002.

It is not a de Polignac number, because 20086385 - 2¹⁸ = 19824241 is a prime.

It is a Duffinian number.

It is a Curzon 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, 362 + ... + 6348.

It is an arithmetic number, because the mean of its divisors is an integer number (1670652).

Almost surely, 2^20086385 is an apocalyptic number.

It is an amenable number.

20086385 is a deficient number, since it is larger than the sum of its proper divisors (6644047).

20086385 is a wasteful number, since it uses less digits than its factorization.

20086385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 20086385 is about 4481.7836850968. The cubic root of 20086385 is about 271.8320086159.

The spelling of 20086385 in words is "twenty million, eighty-six thousand, three hundred eighty-five".