20235045 has 8 divisors (see below), whose sum is σ = 32376096. Its totient is φ = 10792016.

The previous prime is 20235043. The next prime is 20235077. The reversal of 20235045 is 54053202.

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

It is a cyclic number.

It is not a de Polignac number, because 20235045 - 2¹ = 20235043 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20235043) 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 7 ways as a sum of consecutive naturals, for example, 674487 + ... + 674516.

It is an arithmetic number, because the mean of its divisors is an integer number (4047012).

Almost surely, 2^20235045 is an apocalyptic number.

It is an amenable number.

20235045 is a deficient number, since it is larger than the sum of its proper divisors (12141051).

20235045 is a wasteful number, since it uses less digits than its factorization.

20235045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349011.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20235045 is about 4498.3380264271. The cubic root of 20235045 is about 272.5009735397.

Adding to 20235045 its reverse (54053202), we get a palindrome (74288247).

The spelling of 20235045 in words is "twenty million, two hundred thirty-five thousand, forty-five".