20060389 has 4 divisors (see below), whose sum is σ = 20069856. Its totient is φ = 20050924.

The previous prime is 20060387. The next prime is 20060407. The reversal of 20060389 is 98306002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20060389 - 2¹ = 20060387 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 (20060387) 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 3 ways as a sum of consecutive naturals, for example, 72 + ... + 6334.

It is an arithmetic number, because the mean of its divisors is an integer number (5017464).

Almost surely, 2^20060389 is an apocalyptic number.

It is an amenable number.

20060389 is a deficient number, since it is larger than the sum of its proper divisors (9467).

20060389 is an equidigital number, since it uses as much as digits as its factorization.

20060389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9466.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20060389 is about 4478.8825615325. The cubic root of 20060389 is about 271.7146887560.

It can be divided in two parts, 20060 and 389, that added together give a square (20449 = 143²).

The spelling of 20060389 in words is "twenty million, sixty thousand, three hundred eighty-nine".