20113320330 has 256 divisors, whose sum is σ = 59878310400. Its totient is φ = 4780339200.

The previous prime is 20113320329. The next prime is 20113320341. The reversal of 20113320330 is 3302331102.

20113320330 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 332 + 0 + 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 127 ways as a sum of consecutive naturals, for example, 7053405 + ... + 7056255.

It is an arithmetic number, because the mean of its divisors is an integer number (233899650).

Almost surely, 2^20113320330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20113320330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29939155200).

20113320330 is an abundant number, since it is smaller than the sum of its proper divisors (39764990070).

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

20113320330 is a wasteful number, since it uses less digits than its factorization.

20113320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966 (or 2960 counting only the distinct ones).

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

Adding to 20113320330 its reverse (3302331102), we get a palindrome (23415651432).

The spelling of 20113320330 in words is "twenty billion, one hundred thirteen million, three hundred twenty thousand, three hundred thirty".