20233011330 has 128 divisors (see below), whose sum is σ = 61842216960. Its totient is φ = 4611211200.

The previous prime is 20233011311. The next prime is 20233011349. The reversal of 20233011330 is 3311033202.

20233011330 is a `hidden beast` number, since 2 + 0 + 2 + 330 + 1 + 1 + 330 = 666.

It is an interprime number because it is at equal distance from previous prime (20233011311) and next prime (20233011349).

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 63 ways as a sum of consecutive naturals, for example, 640405 + ... + 671255.

It is an arithmetic number, because the mean of its divisors is an integer number (483142320).

Almost surely, 2^20233011330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20233011330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30921108480).

20233011330 is an abundant number, since it is smaller than the sum of its proper divisors (41609205630).

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

20233011330 is a wasteful number, since it uses less digits than its factorization.

20233011330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31221 (or 31215 counting only the distinct ones).

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

Adding to 20233011330 its reverse (3311033202), we get a palindrome (23544044532).

The spelling of 20233011330 in words is "twenty billion, two hundred thirty-three million, eleven thousand, three hundred thirty".