20333013030 has 144 divisors (see below), whose sum is σ = 61527447072. Its totient is φ = 4639219200.

The previous prime is 20333013011. The next prime is 20333013031. The reversal of 20333013030 is 3031033302.

20333013030 is a `hidden beast` number, since 203 + 330 + 130 + 3 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20333012994 and 20333013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333013031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 130215 + ... + 240045.

It is an arithmetic number, because the mean of its divisors is an integer number (427273938).

Almost surely, 2^20333013030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20333013030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30763723536).

20333013030 is an abundant number, since it is smaller than the sum of its proper divisors (41194434042).

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

20333013030 is a wasteful number, since it uses less digits than its factorization.

20333013030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109883 (or 109869 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

Adding to 20333013030 its reverse (3031033302), we get a palindrome (23364046332).

The spelling of 20333013030 in words is "twenty billion, three hundred thirty-three million, thirteen thousand, thirty".