20385027 has 36 divisors (see below), whose sum is σ = 33065760. Its totient is φ = 12492144.

The previous prime is 20384977. The next prime is 20385059. The reversal of 20385027 is 72058302.

It is not a de Polignac number, because 20385027 - 2⁷ = 20384899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20385067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 85174 + ... + 85412.

Almost surely, 2^20385027 is an apocalyptic number.

20385027 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20385027 is a deficient number, since it is larger than the sum of its proper divisors (12680733).

20385027 is an frugal number, since it uses more digits than its factorization.

20385027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 20385027 is about 4514.9780730365. The cubic root of 20385027 is about 273.1725753429.

The spelling of 20385027 in words is "twenty million, three hundred eighty-five thousand, twenty-seven".