20245333 has 4 divisors (see below), whose sum is σ = 20431180. Its totient is φ = 20059488.

The previous prime is 20245301. The next prime is 20245339. The reversal of 20245333 is 33354202.

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 6160324 + 14085009 = 2482^2 + 3753^2 .

It is not a de Polignac number, because 20245333 - 2⁵ = 20245301 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 (20245339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92760 + ... + 92977.

It is an arithmetic number, because the mean of its divisors is an integer number (5107795).

Almost surely, 2^20245333 is an apocalyptic number.

It is an amenable number.

20245333 is a deficient number, since it is larger than the sum of its proper divisors (185847).

20245333 is a wasteful number, since it uses less digits than its factorization.

20245333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185846.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 20245333 is about 4499.4814145632. The cubic root of 20245333 is about 272.5471478053.

Adding to 20245333 its reverse (33354202), we get a palindrome (53599535).

The spelling of 20245333 in words is "twenty million, two hundred forty-five thousand, three hundred thirty-three".