20123330100000 has 432 divisors, whose sum is σ = 70138065001536. Its totient is φ = 5050539520000.

The previous prime is 20123330099993. The next prime is 20123330100047. The reversal of 20123330100000 is 103332102.

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 71 ways as a sum of consecutive naturals, for example, 86583949 + ... + 86816051.

It is an arithmetic number, because the mean of its divisors is an integer number (162356631948).

Almost surely, 2^{20123330100000} is an apocalyptic number.

20123330100000 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 20123330100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35069032500768).

20123330100000 is an abundant number, since it is smaller than the sum of its proper divisors (50014734901536).

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

20123330100000 is an equidigital number, since it uses as much as digits as its factorization.

20123330100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232175 (or 232130 counting only the distinct ones).

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

Adding to 20123330100000 its reverse (103332102), we get a palindrome (20123433432102).

The spelling of 20123330100000 in words is "twenty trillion, one hundred twenty-three billion, three hundred thirty million, one hundred thousand".