20383671 has 16 divisors (see below), whose sum is σ = 33884928. Its totient is φ = 10588800.

The previous prime is 20383669. The next prime is 20383673. The reversal of 20383671 is 17638302.

It is an interprime number because it is at equal distance from previous prime (20383669) and next prime (20383673).

It is not a de Polignac number, because 20383671 - 2¹ = 20383669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20383673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43890 + ... + 44351.

It is an arithmetic number, because the mean of its divisors is an integer number (2117808).

Almost surely, 2^20383671 is an apocalyptic number.

20383671 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20383671 is a deficient number, since it is larger than the sum of its proper divisors (13501257).

20383671 is a wasteful number, since it uses less digits than its factorization.

20383671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88262.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20383671 is about 4514.8279036969. The cubic root of 20383671 is about 273.1665181156.

The spelling of 20383671 in words is "twenty million, three hundred eighty-three thousand, six hundred seventy-one".