20303112330 has 48 divisors (see below), whose sum is σ = 52869832704. Its totient is φ = 5405779680.

The previous prime is 20303112287. The next prime is 20303112419. The reversal of 20303112330 is 3321130302.

20303112330 is a `hidden beast` number, since 20 + 3 + 0 + 311 + 2 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116106 + ... + 232565.

It is an arithmetic number, because the mean of its divisors is an integer number (1101454848).

Almost surely, 2^20303112330 is an apocalyptic number.

20303112330 is an abundant number, since it is smaller than the sum of its proper divisors (32566720374).

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

20303112330 is a wasteful number, since it uses less digits than its factorization.

20303112330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349331 (or 349328 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20303112330 its reverse (3321130302), we get a palindrome (23624242632).

The spelling of 20303112330 in words is "twenty billion, three hundred three million, one hundred twelve thousand, three hundred thirty".