20303133330 has 16 divisors (see below), whose sum is σ = 48727520064. Its totient is φ = 5414168880.

The previous prime is 20303133317. The next prime is 20303133349. The reversal of 20303133330 is 3333130302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20303133297 and 20303133306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338385526 + ... + 338385585.

It is an arithmetic number, because the mean of its divisors is an integer number (3045470004).

Almost surely, 2^20303133330 is an apocalyptic number.

20303133330 is an abundant number, since it is smaller than the sum of its proper divisors (28424386734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20303133330 is a wasteful number, since it uses less digits than its factorization.

20303133330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676771121.

The product of its (nonzero) digits is 1458, while the sum is 21.

Adding to 20303133330 its reverse (3333130302), we get a palindrome (23636263632).

The spelling of 20303133330 in words is "twenty billion, three hundred three million, one hundred thirty-three thousand, three hundred thirty".