20123033200 has 60 divisors (see below), whose sum is σ = 48498402600. Its totient is φ = 8023770880.

The previous prime is 20123033173. The next prime is 20123033207. The reversal of 20123033200 is 233032102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123033207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47451 + ... + 206149.

It is an arithmetic number, because the mean of its divisors is an integer number (808306710).

Almost surely, 2^20123033200 is an apocalyptic number.

20123033200 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 20123033200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24249201300).

20123033200 is an abundant number, since it is smaller than the sum of its proper divisors (28375369400).

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

20123033200 is a wasteful number, since it uses less digits than its factorization.

20123033200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159034 (or 159023 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20123033200 its reverse (233032102), we get a palindrome (20356065302).

The spelling of 20123033200 in words is "twenty billion, one hundred twenty-three million, thirty-three thousand, two hundred".