20325547200 has 336 divisors, whose sum is σ = 77510396160. Its totient is φ = 4566650880.

The previous prime is 20325547199. The next prime is 20325547247. The reversal of 20325547200 is 274552302.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1977274 + ... + 1987526.

Almost surely, 2^20325547200 is an apocalyptic number.

20325547200 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 20325547200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38755198080).

20325547200 is an abundant number, since it is smaller than the sum of its proper divisors (57184848960).

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

20325547200 is a wasteful number, since it uses less digits than its factorization.

20325547200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10344 (or 10329 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The spelling of 20325547200 in words is "twenty billion, three hundred twenty-five million, five hundred forty-seven thousand, two hundred".