203020045 has 8 divisors (see below), whose sum is σ = 243825120. Its totient is φ = 162282000.

The previous prime is 203020043. The next prime is 203020049. The reversal of 203020045 is 540020302.

203020045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 203020045 - 2¹ = 203020043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203020043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9831 + ... + 22420.

It is an arithmetic number, because the mean of its divisors is an integer number (30478140).

Almost surely, 2^203020045 is an apocalyptic number.

It is an amenable number.

203020045 is a deficient number, since it is larger than the sum of its proper divisors (40805075).

203020045 is a wasteful number, since it uses less digits than its factorization.

203020045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33515.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 203020045 is about 14248.5102730075. The cubic root of 203020045 is about 587.7324096332.

Adding to 203020045 its reverse (540020302), we get a palindrome (743040347).

The spelling of 203020045 in words is "two hundred three million, twenty thousand, forty-five".