320025200000 has 192 divisors, whose sum is σ = 869342952240. Its totient is φ = 116371200000.

The previous prime is 320025199979. The next prime is 320025200017. The reversal of 320025200000 is 2520023.

It is a super-2 number, since 2×320025200000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4363634 + ... + 4436366.

Almost surely, 2^320025200000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320025200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434671476120).

320025200000 is an abundant number, since it is smaller than the sum of its proper divisors (549317752240).

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

320025200000 is an frugal number, since it uses more digits than its factorization.

320025200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72783 (or 72751 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

Adding to 320025200000 its reverse (2520023), we get a palindrome (320027720023).

It can be divided in two parts, 320025 and 200000, that added together give a palindrome (520025).

The spelling of 320025200000 in words is "three hundred twenty billion, twenty-five million, two hundred thousand".