20330061 has 8 divisors (see below), whose sum is σ = 27236064. Its totient is φ = 13488720.

The previous prime is 20330059. The next prime is 20330071. The reversal of 20330061 is 16003302.

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

It is not a de Polignac number, because 20330061 - 2¹ = 20330059 is a prime.

It is a super-2 number, since 2×20330061² = 826622760527442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20330061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330071) 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, 15426 + ... + 16691.

It is an arithmetic number, because the mean of its divisors is an integer number (3404508).

Almost surely, 2^20330061 is an apocalyptic number.

It is an amenable number.

20330061 is a deficient number, since it is larger than the sum of its proper divisors (6906003).

20330061 is a wasteful number, since it uses less digits than its factorization.

20330061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32331.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 20330061 is about 4508.8868914622. The cubic root of 20330061 is about 272.9268276568.

Adding to 20330061 its reverse (16003302), we get a palindrome (36333363).

The spelling of 20330061 in words is "twenty million, three hundred thirty thousand, sixty-one".