20235300000 has 288 divisors, whose sum is σ = 68224633344. Its totient is φ = 5247360000.

The previous prime is 20235299993. The next prime is 20235300011. The reversal of 20235300000 is 353202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11099089 + ... + 11100911.

It is an arithmetic number, because the mean of its divisors is an integer number (236891088).

Almost surely, 2^20235300000 is an apocalyptic number.

20235300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20235300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34112316672).

20235300000 is an abundant number, since it is smaller than the sum of its proper divisors (47989333344).

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

20235300000 is an equidigital number, since it uses as much as digits as its factorization.

20235300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

Adding to 20235300000 its reverse (353202), we get a palindrome (20235653202).

The spelling of 20235300000 in words is "twenty billion, two hundred thirty-five million, three hundred thousand".