20311000330 has 32 divisors (see below), whose sum is σ = 37037629440. Its totient is φ = 8018300160.

The previous prime is 20311000289. The next prime is 20311000417. The reversal of 20311000330 is 3300011302.

It is a self number, because there is not a number n which added to its sum of digits gives 20311000330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3130690 + ... + 3137170.

It is an arithmetic number, because the mean of its divisors is an integer number (1157425920).

Almost surely, 2^20311000330 is an apocalyptic number.

20311000330 is a deficient number, since it is larger than the sum of its proper divisors (16726629110).

20311000330 is a wasteful number, since it uses less digits than its factorization.

20311000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10534.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20311000330 its reverse (3300011302), we get a palindrome (23611011632).

The spelling of 20311000330 in words is "twenty billion, three hundred eleven million, three hundred thirty", and thus it is an aban number.