20303203030 has 64 divisors (see below), whose sum is σ = 40534318080. Its totient is φ = 7260364800.

The previous prime is 20303203013. The next prime is 20303203043. The reversal of 20303203030 is 3030230302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20303202995 and 20303203013.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2228785 + ... + 2237875.

It is an arithmetic number, because the mean of its divisors is an integer number (633348720).

Almost surely, 2^20303203030 is an apocalyptic number.

20303203030 is a deficient number, since it is larger than the sum of its proper divisors (20231115050).

20303203030 is a wasteful number, since it uses less digits than its factorization.

20303203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445.

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 20303203030 its reverse (3030230302), we get a palindrome (23333433332).

The spelling of 20303203030 in words is "twenty billion, three hundred three million, two hundred three thousand, thirty".