203021120230 has 16 divisors (see below), whose sum is σ = 367858138464. Its totient is φ = 80670643200.

The previous prime is 203021120209. The next prime is 203021120231. The reversal of 203021120230 is 32021120302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203021120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67224027 + ... + 67227046.

It is an arithmetic number, because the mean of its divisors is an integer number (22991133654).

Almost surely, 2^203021120230 is an apocalyptic number.

203021120230 is a deficient number, since it is larger than the sum of its proper divisors (164837018234).

203021120230 is a wasteful number, since it uses less digits than its factorization.

203021120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134451231.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203021120230 its reverse (32021120302), we get a palindrome (235042240532).

The spelling of 203021120230 in words is "two hundred three billion, twenty-one million, one hundred twenty thousand, two hundred thirty".