20003120230 has 32 divisors (see below), whose sum is σ = 36351021600. Its totient is φ = 7924856832.

The previous prime is 20003120201. The next prime is 20003120231. The reversal of 20003120230 is 3202130002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20003120230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003120231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419341 + ... + 464599.

It is an arithmetic number, because the mean of its divisors is an integer number (1135969425).

Almost surely, 2^20003120230 is an apocalyptic number.

20003120230 is a deficient number, since it is larger than the sum of its proper divisors (16347901370).

20003120230 is a wasteful number, since it uses less digits than its factorization.

20003120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45688.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20003120230 its reverse (3202130002), we get a palindrome (23205250232).

The spelling of 20003120230 in words is "twenty billion, three million, one hundred twenty thousand, two hundred thirty".