30045020203 has 16 divisors (see below), whose sum is σ = 33504367104. Its totient is φ = 26708067360.

The previous prime is 30045020197. The next prime is 30045020209. The reversal of 30045020203 is 30202054003.

It is an interprime number because it is at equal distance from previous prime (30045020197) and next prime (30045020209).

It is a cyclic number.

It is not a de Polignac number, because 30045020203 - 2²¹ = 30042923051 is a prime.

It is a super-2 number, since 2×30045020203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30045020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551476 + ... + 603502.

It is an arithmetic number, because the mean of its divisors is an integer number (2094022944).

Almost surely, 2^30045020203 is an apocalyptic number.

30045020203 is a deficient number, since it is larger than the sum of its proper divisors (3459346901).

30045020203 is a wasteful number, since it uses less digits than its factorization.

30045020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53202.

The product of its (nonzero) digits is 720, while the sum is 19.

Adding to 30045020203 its reverse (30202054003), we get a palindrome (60247074206).

The spelling of 30045020203 in words is "thirty billion, forty-five million, twenty thousand, two hundred three".