20330343200 has 72 divisors (see below), whose sum is σ = 49676820480. Its totient is φ = 8124704000.

The previous prime is 20330343191. The next prime is 20330343217. The reversal of 20330343200 is 234303302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909761 + ... + 931839.

It is an arithmetic number, because the mean of its divisors is an integer number (689955840).

Almost surely, 2^20330343200 is an apocalyptic number.

20330343200 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 20330343200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24838410240).

20330343200 is an abundant number, since it is smaller than the sum of its proper divisors (29346477280).

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

20330343200 is a wasteful number, since it uses less digits than its factorization.

20330343200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23250 (or 23237 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20330343200 its reverse (234303302), we get a palindrome (20564646502).

The spelling of 20330343200 in words is "twenty billion, three hundred thirty million, three hundred forty-three thousand, two hundred".