20330021130 has 16 divisors (see below), whose sum is σ = 48792050784. Its totient is φ = 5421338960.

The previous prime is 20330021099. The next prime is 20330021137. The reversal of 20330021130 is 3112003302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20330021137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338833656 + ... + 338833715.

It is an arithmetic number, because the mean of its divisors is an integer number (3049503174).

Almost surely, 2^20330021130 is an apocalyptic number.

20330021130 is an abundant number, since it is smaller than the sum of its proper divisors (28462029654).

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

20330021130 is a wasteful number, since it uses less digits than its factorization.

20330021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677667381.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20330021130 its reverse (3112003302), we get a palindrome (23442024432).

The spelling of 20330021130 in words is "twenty billion, three hundred thirty million, twenty-one thousand, one hundred thirty".