20683141 has 8 divisors (see below), whose sum is σ = 21669120. Its totient is φ = 19704432.

The previous prime is 20683139. The next prime is 20683151. The reversal of 20683141 is 14138602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20683141 - 2¹ = 20683139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20683151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4516 + ... + 7858.

It is an arithmetic number, because the mean of its divisors is an integer number (2708640).

Almost surely, 2^20683141 is an apocalyptic number.

It is an amenable number.

20683141 is a deficient number, since it is larger than the sum of its proper divisors (985979).

20683141 is a wasteful number, since it uses less digits than its factorization.

20683141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20683141 is about 4547.8721398034. The cubic root of 20683141 is about 274.4977764769.

The spelling of 20683141 in words is "twenty million, six hundred eighty-three thousand, one hundred forty-one".