20334445 has 8 divisors (see below), whose sum is σ = 24537240. Its totient is φ = 16176960.

The previous prime is 20334439. The next prime is 20334451. The reversal of 20334445 is 54443302.

It is an interprime number because it is at equal distance from previous prime (20334439) and next prime (20334451).

It can be written as a sum of positive squares in 4 ways, for example, as 281961 + 20052484 = 531^2 + 4478^2 .

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

It is not a de Polignac number, because 20334445 - 2³ = 20334437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10330 + ... + 12139.

It is an arithmetic number, because the mean of its divisors is an integer number (3067155).

Almost surely, 2^20334445 is an apocalyptic number.

It is an amenable number.

20334445 is a deficient number, since it is larger than the sum of its proper divisors (4202795).

20334445 is a wasteful number, since it uses less digits than its factorization.

20334445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22655.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 20334445 is about 4509.3730162851. The cubic root of 20334445 is about 272.9464443420.

Adding to 20334445 its reverse (54443302), we get a palindrome (74777747).

The spelling of 20334445 in words is "twenty million, three hundred thirty-four thousand, four hundred forty-five".