20120103300 has 288 divisors, whose sum is σ = 67405685760. Its totient is φ = 4585433600.

The previous prime is 20120103293. The next prime is 20120103329. The reversal of 20120103300 is 330102102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4475854 + ... + 4480346.

It is an arithmetic number, because the mean of its divisors is an integer number (234047520).

Almost surely, 2^20120103300 is an apocalyptic number.

20120103300 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 20120103300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33702842880).

20120103300 is an abundant number, since it is smaller than the sum of its proper divisors (47285582460).

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

20120103300 is a wasteful number, since it uses less digits than its factorization.

20120103300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603 (or 4596 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20120103300 its reverse (330102102), we get a palindrome (20450205402).

The spelling of 20120103300 in words is "twenty billion, one hundred twenty million, one hundred three thousand, three hundred".