20339093 has 4 divisors (see below), whose sum is σ = 20428140. Its totient is φ = 20250048.

The previous prime is 20339087. The next prime is 20339113. The reversal of 20339093 is 39093302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14569489 + 5769604 = 3817^2 + 2402^2 .

It is a cyclic number.

It is not a de Polignac number, because 20339093 - 2⁶ = 20339029 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 (20339393) 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 3 ways as a sum of consecutive naturals, for example, 44180 + ... + 44637.

It is an arithmetic number, because the mean of its divisors is an integer number (5107035).

Almost surely, 2^20339093 is an apocalyptic number.

It is an amenable number.

20339093 is a deficient number, since it is larger than the sum of its proper divisors (89047).

20339093 is an equidigital number, since it uses as much as digits as its factorization.

20339093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89046.

The product of its (nonzero) digits is 4374, while the sum is 29.

The square root of 20339093 is about 4509.8883578200. Note that the first 3 decimals coincide. The cubic root of 20339093 is about 272.9672392448.

The spelling of 20339093 in words is "twenty million, three hundred thirty-nine thousand, ninety-three".